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Halotrichum

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Photos of Halotrichum (334)Discuss Halotrichum

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Epsomite

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece

Epsomite, etc.

Holler quarry, Badersdorf, Oberwart District, Burgenland, Austria

Epsomite

Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalonia, Spain

Epsomite

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece

Epsomite, etc.

Holler quarry, Badersdorf, Oberwart District, Burgenland, Austria

Epsomite

Les Ferreres mine, Rocabruna, Camprodon, Girona, Catalonia, Spain

Epsomite

Hilarion Mine, Kamariza Mines, Agios Konstantinos, Lavreotiki, East Attica, Attica, Greece

Epsomite, etc.

Holler quarry, Badersdorf, Oberwart District, Burgenland, Austria

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About HalotrichumHide

Synonym of:

Epsomite, Halotrichite

This page provides mineralogical data about Halotrichum.

Unique IdentifiersHide

Mindat ID:

5327

Long-form identifier:

mindat:1:1:5327:9

Chemical AnalysisHide

Oxide wt%:

	1
SO₃	32.35 %
MgO	16.20 %
FeO	0.47 %
Fe₂O₃	0.78 %
H₂O	49.66 %
Total:	99.46 %

Sample references:

ID	Locality	Reference	Notes
1	Vedrin, Namur, Namur, Wallonia, Belgium	Mélon, J. (1943) Epsomite et mélanterite de Vedrin. Annales de la Société géologique de Belgique, 67, B56.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0007157	Epsomite	Fortes A D, Wood I G, Alfredsson M, Vocadlo L, Knight K S (2006) The thermoelastic properties of MgSO47D2O (epsomite) from powder neutron diffraction and ab initio calculation* European Journal of Mineralogy 18 449-462	2006	synthetic	293
0011972	Halotrichite	Lovas G A (1986) Structural study of halotrichite from Recsk (Matra Mts., N-Hungary) Acta Geologica Hungarica 29 389-398	1986	Recsk, Matra Mountains, Hungary	293
0009290	Epsomite	Baur W H (1964) On the crystal chemistry of salt hydrates. IV. The refinement of the crystal structure of MgSO47H2O (epsomite)* Acta Crystallographica 17 1361-1369	1964	synthetic	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Epsomite'
loop_
_publ_author_name
'Fortes A D'
'Wood I G'
'Alfredsson M'
'Vocadlo L'
'Knight K S'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 18 
_journal_year 2006
_journal_page_first 449
_journal_page_last 462
_publ_section_title
;
 The thermoelastic properties of MgSO4*7D2O (epsomite) from powder neutron
 diffraction and ab initio calculation
 Sample: T = 2 K
;
_database_code_amcsd 0007157
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Mg S O11 D14'
_cell_length_a 11.897133
_cell_length_b 11.90851
_cell_length_c 6.78729
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 961.604
_exptl_crystal_density_diffrn      1.800
_symmetry_space_group_name_H-M 'P 21 21 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/2-x,-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Mg   0.41931   0.10562   0.03930   0.00530
S   0.72310   0.18174   0.49780   0.00170
O1s   0.67859   0.07070   0.43100   0.00240
O2s   0.84651   0.17922   0.47820   0.00500
O3s   0.68582   0.20434   0.69750   0.00150
O4s   0.67809   0.27187   0.36460   0.00450
O1w   0.26201   0.17315   0.00040   0.01150
O2w   0.46935   0.24881   0.19610   0.00420
O3w   0.46353   0.17443   0.77490   0.00510
O4w   0.57480   0.04448   0.07540   0.00940
O5w   0.37148   0.95860   0.88900   0.00690
O6w   0.35937   0.03815   0.29390   0.00760
O7w   0.49961   0.43503   0.93450   0.00200
D11   0.23099   0.22029   0.10280   0.01860
D12   0.23445   0.19687   0.87460   0.01920
D21   0.42040   0.27324   0.30510   0.01920
D22   0.54585   0.25374   0.25580   0.01920
D31   0.42060   0.22382   0.69110   0.01770
D32   0.54590   0.18209   0.74270   0.01590
D41   0.62292   0.05379   0.19490   0.01650
D42   0.60617   0.97523   0.01890   0.01830
D51   0.36205   0.89144   0.97240   0.02130
D52   0.42026   0.94056   0.77640   0.01950
D61   0.28203   0.02765   0.32890   0.02050
D62   0.40230   0.99809   0.39720   0.02050
D71   0.43179   0.48285   0.95380   0.02380
D72   0.47695   0.36651   0.00380   0.01970

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for HalotrichumHide

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References for HalotrichumHide

Reference List:

Scopoli (1761) De Hydrarg. Idriense Tent., Venet.

Klaproth, M. H. (1802) LXXXII. Untersuchung des Haarsalzes v. Idria. In Beiträge zur chemischen Kenntniss der Mineralkörper Vol. 3. Rottmann. p.104-106.

Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.

Localities for HalotrichumHide

Showing 1,179 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

symbol next to localities in the list can be used to jump to that position on the map.

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


Algeria
El Oued Province El Oued District ⓘ El Oued	[Epsomite] Vogt (1977)

Andorra
Ordino Llorts ⓘ Llorts Mine	[Halotrichite] Valenti Turu and Michels (1992)

Antarctica
East Antarctica Princess Elizabeth Land Ingrid Christensen Coast ⓘ Vestfold Hills	[Epsomite] Gore et al. (2000)
Queen Maud Land Lützow-Holm Bay East Ongul Island ⓘ Showa Station	[Epsomite] Watanuki/ Torii/ Nishiyama/ Morikawa

Argentina
Catamarca Province Andalgalá Department Andalgalá ⓘ Capillitas mining district	[Halotrichite] Brodtkorb (2002)
ⓘ Bordón vein	[Halotrichite] MARQUEZ-ZAVALIA
Jujuy Province Santa Bárbara Department Cerros de Santa Bárbara El Palmar hot springs ⓘ Santa Bárbara sulphur mine	[Halotrichite] Márquez-Zavalía et al. (1995)
Mendoza Province Malargüe Department Pampa Amarilla mining district ⓘ Huemul Mine	[Epsomite] American Mineralogist: 51: 1-13 +1 other reference
Salta Province Los Andes department San Antonio de los Cobres ⓘ La Concordia mine	[Halotrichite] Brodtkorb (2002)
San Juan Province Calingasta Department Calingasta Quebrada Alcaparrosa ⓘ Santa Elena Mine	[Epsomite, Halotrichite] Palache et al. (1951)
Iglesia Department ⓘ Filo del Sol mine	[Halotrichite] Perelló et al. (2023)

Asia
ⓘ Aral Sea	[Epsomite] Crétaux et al. (2009)

Australia
New South Wales Clarke Co. ⓘ Gibsons Open Cut (Gibsons Mine)	[Halotrichite] B. G. Lottermoser: P. M. Ashley (1997)
Cumberland County Prospect Prospect Hill ⓘ Prospect Quarry	[Halotrichite] Keith Compton collection
Gough Co. Strathbogie ⓘ Webbs Consols Mine (Webbs Consols)	[Halotrichite] Ashley et al. (1999)
Kennedy Co. Condobolin district ⓘ Mineral Hill field	[Epsomite] L. McClatchie
Murchison Co. Upper Bingara Gulf Creek ⓘ Gulf Creek Mine (Gulf Creek Copper Mine)	[Halotrichite] Ashley et al. (1999)
Robinson Co. Cobar ⓘ Endeavor Mine (Elura Mine)	[Epsomite] Leverett et al. (2005)
Sandon Co. ⓘ Halls Peak	[Halotrichite] B. G. Lottermoser: P. M. Ashley (1997) +1 other reference
Yancowinna Co. Broken Hill district ⓘ Broken Hill	[Halotrichite]
Northern Territory Coomalie Shire Rum Jungle ⓘ Dyson's Mine	[Epsomite] Geosciences
Queensland Charters Towers Region Charters Towers ⓘ Thalanga Mine	[Epsomite, Halotrichite] Red River Resources
City of Mount Isa ⓘ Mount Isa	[Epsomite] Sielecki (1988)
ⓘ Mount Isa Mines	[Epsomite, Halotrichite] Sielecki (1988)
ⓘ MIM underground - Upper lead-zinc levels (orebodies 4; 5; 6; 7; 8)	[Halotrichite] Sielecki (1985)
ⓘ Cloncurry Shire	[Halotrichite] Sielecki (1988)
Cloncurry ⓘ Lorena Gold Mine (Lorena Mine)	[Halotrichite] Anatoly Kasatkin analyses +1 other reference
Mareeba Shire ⓘ Montalbion Mine	[Epsomite] Harris et al. (2003)
South Australia Alexandrina Council Strathalbyn ⓘ Wheal Ellen	[Epsomite]
Copper Coast Council Moonta ⓘ Moonta mines (Wallaroo and Moonta Mining; Moonta Copper Recovery Co. Ltd; Moonta Mining Scheme; Moonta Prospecting Syndicate)	[Epsomite]
Wallaroo ⓘ Wallaroo Mine	[Epsomite] Pring (1988)
ⓘ Lake Alexandrina	[Epsomite, Halotrichite] Rob Fitzpatrick et al. (2010)
Pastoral Unincorporated Area Arkaroola (Arkaroola Wilderness Sanctuary; Arkaroola Station) Yudnamutana District Daly gorge ⓘ Daly Mine	[Epsomite] Noble et al. (1983)
Oakden Hills ⓘ Cattle Grid deposit	[Halotrichite] Pring et al. (1987)
Wadnaminga goldfield ⓘ New Milo Gold Mine	[Halotrichite] Pring et al. (1987)
Waukaringa goldfield Waukaringa ⓘ Waukaringa Mine	[Halotrichite]
Wakefield Regional Council Lochiel ⓘ Lake Bumbunga	[Epsomite] Pers. comm. M. Willoughby. +1 other reference
Tasmania Hobart city Wellington Park ⓘ The Springs	[Halotrichite] Steve Sorrell Collection
Latrobe municipality Latrobe ⓘ Mersey Valley Oil Shale Field	[Epsomite] Bottrill & Baker Catalogue of Minerals ...
Waratah-Wynyard municipality Waratah district Waratah-Mt Bischoff ⓘ Mount Bischoff Mine	[Halotrichite] Bottrill +1 other reference
West Coast municipality Zeehan mining district ⓘ Granville mine (Granville East prospect)	[Epsomite] R Bottrill (in prep 2018)
Victoria Central Goldfields Shire Dunolly ⓘ Burnt Creek	[Epsomite] Mark Raven
Hepburn Shire ⓘ Clunes	[Epsomite] Henry (1988)
Macedon Ranges Shire Bullengarook ⓘ Mount Bullengarook	[Halotrichite] - (n.d.)
Moorabool Shire Coimadai ⓘ Coimadai Antimony Mine	[Epsomite]
Mount Alexander Shire Maldon ⓘ Carman's Tunnel	[Epsomite]
Western Australia Dundas Shire Mundrabilla Roadhouse ⓘ Goat Cave	[Epsomite] De Waele et al. (2026)
East Pilbara Shire Weeli Wolli Creek Area Mining Area C ⓘ Area C mine	[Halotrichite] BHP
Kalgoorlie-Boulder Shire Kalgoorlie-Boulder ⓘ Kalgoorlie Consolidated Gold Mines	[Epsomite] Simpson (1948)
Meekatharra Shire ⓘ Glen Ross Creek Gorge	[Epsomite] Simpson Mineral Collection of the ...
ⓘ Mount Vernon	[Epsomite] Simpson Mineral Collection of the ...
Mount Vernon Station ⓘ Mount Vernon Station homestead	[Epsomite] Government Chemical Laboratories. In: ... +1 other reference
Menzies Shire Davyhurst Goldfield Mulwarrie ⓘ Ularring Westralia Gold Mine (Mount Higgins Proprietary)	[Epsomite] Simpson (1948)
Menangina Station ⓘ Carr Boyd Rocks Ni mine	[Epsomite] Bridge et al. (1979)
Westonia Shire Westonia ⓘ Edna May Gold Mine	[Epsomite] Simpson et al. (1948)
Wiluna Shire ⓘ Mount Keith	[Epsomite] Wilson et al. (2014)

Austria
Burgenland Oberwart District Badersdorf ⓘ Holler quarry	[Epsomite] Postl et al. (1991) +1 other reference
Carinthia Sankt Veit an der Glan District Friesach Zeltschach Wagendorf ⓘ Wagendorf East District	[Epsomite] Blaß et al. (2002)
Guttaring Waitschach ⓘ Slag localities	[Halotrichite] Neschen (n.d.)
Hüttenberg Hüttenberger Erzberg ⓘ Lölling mining district	[Epsomite] Meixner (1950)
Sankt Martin am Silberberg ⓘ Slag localities	[Halotrichite] Neschen (n.d.)
ⓘ Metnitz	[Halotrichite] Niedermayr et al. (1995)
Micheldorf Hirt Griesserhof (Gulitzen; Gullitzen) ⓘ Marble quarry	[Epsomite] Niedermayr et al. (1995)
Spittal an der Drau District Dellach im Drautal Glatschach ⓘ Mercury mine	[Epsomite] Niedermayr et al. (1995)
ⓘ Heiligenblut am Großglockner	[Epsomite] Niedermayr et al. (1995)
Rennweg am Katschberg Pölla valley Zanaischg ⓘ Sternspitze	[Epsomite] Meixner (1950)
Wolfsberg District Reichenfels Mischlinggraben ⓘ Staubmann Mines	[Halotrichite] C.Auer (2013)
Lower Austria Horn District Brunn an der Wild Atzelsdorf ⓘ Marble quarry	[Halotrichite] Kolitsch et al. (2022)
Drosendorf-Zissersdorf Wollmersdorf (Zettlitz-Wollmersdorf) ⓘ Graphite quarry	[Halotrichite] Taucher (1993) +1 other reference
Krems-Land District ⓘ ~~Krumau am Kamp~~	[Halotrichite] Neschen (n.d.)
Mühldorf Amstall ⓘ Graphite quarry	[Halotrichite] Neschen (n.d.)
ⓘ Marble quarry (Thalinger quarry; Hausbruch)	[Halotrichite] Kolitsch et al. (2022)
ⓘ Weinberg Middle	[Halotrichite] Goldmann et al. (2008)
Rossatz-Arnsdorf Rossatz ⓘ Oberkienstock	[Halotrichite] Gerald Knobloch
Melk District Persenbeug-Gottsdorf ⓘ Loja	[Halotrichite] Neschen (n.d.)
Neunkirchen District Semmering ⓘ Haidbachgraben (Myrthengraben; Myrtengraben; Heidbachgraben)	[Epsomite] Tufar (1982)
Sankt Pölten-Land District Hafnerbach Hengstberg ⓘ Graphite deposit	[Halotrichite] Kolitsch et al. (2015)
Wölbling Hausheim ⓘ Lignite mine	[Halotrichite] Niedermayr (1987)
Salzburg Hallein District Abtenau Rigaus Webing ⓘ Gypsum mine (Moldan mine)	[Epsomite] Exel (1993)
Hallein ⓘ Hallein - Bad Dürrnberg salt mine	[Epsomite, Halotrichite, Epsomite var: Iron-bearing Epsomite] Strasser (1989)
Scheffau am Tennengebirge Moosegg ⓘ Moosegg gypsum mine	[Epsomite] Strasser (1989)
St. Johann im Pongau District Bad Hofgastein ⓘ Gadaunern ravine	[Epsomite] Strasser (1989)
Bischofshofen Pöham Fritzbach valley ⓘ Raidlgraben	[Epsomite] Exel (1993)
ⓘ Mitterberg mining district	[Epsomite, Halotrichite] Strasser (1989)
St. Johann im Pongau ⓘ Grubhöhe Inn ?	[Epsomite] Strasser (1989)
ⓘ Wolfbach valley	[Halotrichite] Strasser (1989)
Zell am See District Dienten am Hochkönig ⓘ Schwarzenbach	[Halotrichite] Exel (1993)
Rauris ⓘ Astenschmiede slag locality	[Halotrichite] Niedermayr et al. (2009)
Styria Bruck-Mürzzuschlag District Breitenau am Hochlantsch Hochlantsch ⓘ Breitenau Mine	[Epsomite] C. Auer (2022)
Neuberg an der Mürz Altenberg an der Rax ⓘ Erzberg	[Epsomite] Hackenberg (2003)
Sankt Barbara im Mürztal Veitsch Sattlerkogel ⓘ Magnesite deposit	[Epsomite] Gerald Gesselbauer (06.2010) +1 other reference
Tragöß-Sankt Katharein Oberdorf (Oberdorf an der Laming) Oberdorf magnesite deposit ⓘ Wiesergut Mine (Wieser Mine)	[Epsomite] Gerald Gesselbauer (2010)
Deutschlandsberg District Bad Schwanberg Gressenberg Schwarze Sulm ⓘ Forestry road outcrop ?	[Epsomite] Postl et al. (2014)
Stainz Marhof ⓘ Rath quarry	[Epsomite] Postl et al. (2011)
Leibnitz District Leutschach an der Weinstraße ⓘ Spitzmühle quarry	[Halotrichite] Taucher (1992) +1 other reference
Wildon Weitendorf ⓘ Basalt quarry	[Halotrichite] Neschen (n.d.)
Leoben District Eisenerz ⓘ Styrian Erzberg	[Epsomite] Aufschluss 1972 (SB)
Kammern im Liesingtal Seiz Wolfsgruben (Wolfgruben; Wolfsgrube) ⓘ Quartz quarry	[Halotrichite] Weninger (1968)
ⓘ Kraubath an der Mur	[Epsomite] Sigmund 1912
Liezen District Admont Kematen ⓘ Schildmauer quarry	[Epsomite] Meixner (1977)
Schladming Obertalbach valley ⓘ Zinkwand (Neualpe)	[Epsomite] Pribitzer (1956)
Murau District Stadl-Predlitz ⓘ Turrach river (Turrach)	[Halotrichite] Schwaighofer et al. (1979)
Murtal District ⓘ Judenburg	[Halotrichite] Collection of NHM
Südoststeiermark District Bad Gleichenberg Bairisch Kölldorf ⓘ Schaufelgraben	[Halotrichite] Postl et al. (1996)
Voitsberg District Köflach Köflach - Voitsberg lignite deposit Zangtal ⓘ Muttlkogel	[Halotrichite] Neschen (n.d.) +1 other reference
Tyrol Innsbruck-Land District Absam Hall valley ⓘ Salt mine	[Epsomite] Spötl (1989)
Upper Austria Braunau am Inn District St. Pantaleon ⓘ Trimmelkam	[Epsomite] Meixner (1975)
Gmunden District Bad Ischl Perneck ⓘ Bad Ischler Salzberg	[Epsomite, Halotrichite, Epsomite var: Iron-bearing Epsomite] Exel (1993)
Hallstatt ⓘ Salt mine	[Epsomite, Epsomite var: Iron-bearing Epsomite] Zirkl (1948) +2 other references
Obertraun ⓘ Dachstein mammoth cave	[Epsomite]
Linz-Land District Leonding Rufling ⓘ Gneiss quarry	[Epsomite] Reiter (2010)
Perg District Katsdorf ⓘ Nöbling sand pit	[Halotrichite] Erich Reiter et al. (1999)

Belgium
Wallonia Hainaut Bernissart Blaton ⓘ Mont-des-Groseillers	[Epsomite, Halotrichite] Van Tassel (1973) +4 other references
Liège ⓘ Amay	[Halotrichite] Mélon et al. (1976) +1 other reference
ⓘ Ampsin	[Halotrichite] Mélon et al. (1976) +1 other reference
ⓘ Loyable	[Halotrichite] Hatert et al. (2002)
Chaudfontaine ⓘ La Rochette	[Halotrichite] Mélon et al. (1976) +2 other references
Engis ⓘ Engihoul-Antinne	[Halotrichite] Mélon et al. (1976) +1 other reference
ⓘ Flémalle	[Halotrichite] Mélon et al. (1976)
ⓘ Flémalle-Haute	[Halotrichite] Hatert et al. (2002)
ⓘ Chokier	[Halotrichite] Mélon et al. (1976) +1 other reference
Ivoz-Ramet ⓘ Ramioul	[Halotrichite] Mélon et al. (1976) +1 other reference
Liège Glain ⓘ Patience et Beaujonc coal dump	[Epsomite, Halotrichite] Van Tassel (1973) +2 other references
Trooz ⓘ Forêt	[Halotrichite] Hatert et al. (2002)
Visé ⓘ Argenteau	[Halotrichite] Mélon et al. (1976) +1 other reference
ⓘ Richelle	[Halotrichite] Mélon et al. (1976) +1 other reference
Luxembourg ⓘ La-Roche-en-Ardenne	[Epsomite] de Limbourg-Stirum (1923) +2 other references
Namur Andenne Thon-Samson ⓘ Samson	[Epsomite, Halotrichite] Hatert et al. (2002)
Namur ⓘ Vedrin	[Epsomite] Mélon (1943) +3 other references

Bolivia
Cochabamba Chapare Province Alto Chapare mining district Limbo subdistrict ⓘ ~~Magnesite mine~~	[Epsomite] Federico Ahlfeld and Jorge Muñoz Reyes (1955)
Oruro Cercado Province Oruro ⓘ San José Mine	[Halotrichite] Wilson (2001)
Poopó Province ⓘ Poopó	[Epsomite] Salomon Rivas y Federico Ahlfeld (1998) +1 other reference
Potosí Rafael Bustillo Province Llallagua ⓘ Siglo Veinte Mine	[Epsomite, Halotrichite] Petrov et al. (2006)
Tomás Frías Province Potosí (Potosí Municipality) ⓘ Cerro de Potosí (Cerro Rico)	[Halotrichite] Smith et al. (2001)

Brazil
Minas Gerais Nova Lima ⓘ Morro Velho mine	[Epsomite] Rocks & Min.: 63:43.
ⓘ Poços de Caldas alkaline complex	[Halotrichite] Gomes et al. (2023)
São Paulo Itaquaquecetuba ⓘ Itaquareia quarry	[Epsomite] Atencio et al. (2011)

Bulgaria
Haskovo Province Madzharovo Municipality Madzharovo ⓘ Madzharovo deposit	[Epsomite] Lips (2006)
Kardzhali Province Momchilgrad Municipality Obichnik ⓘ Obichnik Au-Ag deposit	[Halotrichite] Kunov et al. (1997)
Montana Province Chiprovtsi Municipality ⓘ Chiprovtsi deposit	[Epsomite, Halotrichite] Младенова et al. (2007)
Pernik Province Breznik Municipality ⓘ Milin Kamak deposit	[Epsomite] Sabeva et al. (2017)
Plovdiv Province Rodopi Municipality ⓘ KCM smelter slag locality	[Halotrichite] Atanassova et al. (2009)

Canada
ⓘ Alberta	[Epsomite] Kohut et al. (1993)
British Columbia Clinton Mining Division Clinton ⓘ Clinton Lake epsomite deposit	[Epsomite] Renaut et al. (1994)
Kamloops Mining Division ⓘ Ashcroft	[Epsomite] Walker (1921) +1 other reference
Venables Valley ⓘ Basque claims (Basque No. 1)	[Epsomite] Peatfield (n.d.) +1 other reference
ⓘ Basque No. 2 evaporite occurrence	[Epsomite] Peatfield (n.d.) +1 other reference
ⓘ Basque No. 3 evaporite occurrence	[Epsomite] Peatfield (n.d.)
ⓘ Basque No. 4 evaporite occurrence	[Epsomite] Peatfield (n.d.)
Maggie claim group Cache Creek ⓘ Spatsum claim	[Halotrichite] Peatfield (n.d.) +1 other reference
ⓘ Hexahydrite Type Locality	[Epsomite] JOHNSTON (1911)
ⓘ Polygon Pond evaporite occurrence	[Epsomite] Peatfield (n.d.)
Osoyoos Mining Division Osoyoos ⓘ Lake Khiluk (Spotted Lake)	[Epsomite] Woodside collection
Slocan Mining Division Sandon ⓘ Silvana mine	[Epsomite] Mauthner et al. (1996)
Vernon Mining Division ⓘ Vernon	[Epsomite] Palache et al. (1951)
Manitoba Sherridon District ⓘ Sherritt Gordon Mine (Sherridon Mine)	[Halotrichite] Geological Association of Canada (2014)
Newfoundland and Labrador Newfoundland Baie Verte Peninsula Tilt Cove ⓘ Tilt Cove Slag Locality ?	[Halotrichite] Norman Wilson personal collection
Nova Scotia Cape Breton Co. Sydney coalfield ⓘ Glace Bay	[Halotrichite] Zodrow et al. (1978)
#26 Colliery ⓘ 1-B mine	[Epsomite, Halotrichite] Zodrow et al. (1978)
Halifax Co. ⓘ Halifax slavikite occurrence	[Halotrichite] Ogilvie (1979)
Hants Co. Windsor ⓘ Clifton Quarry	[Epsomite] How (1861)
Ontario Kenora District Drayton Township ⓘ North Pines Mine	[Halotrichite] Sabina (1991)
Lambton County Bosanquet Township ⓘ Kettle Point	[Epsomite] Reiner Mielke 2014
Middlesex County Williams Township ⓘ Hungry Hollow occurrence	[Epsomite] Mielke (n.d.)
Timiskaming District Cobalt-Gowganda region Cobalt area ⓘ Coleman Township	[Epsomite] Thirty - First Annual Report of the ... +1 other reference
ⓘ City of Cobalt Mine	[Epsomite] Knight (1922)
Québec Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Halotrichite] Grice (1989) +1 other reference
Lajemmerais RCM Varennes & St-Amable ⓘ Saint-Amable sill	[Halotrichite] Horváth et al. (1998)
ⓘ Demix-Varennes quarry	[Halotrichite] Horváth et al. (1998)
Montréal ⓘ Francon quarry	[Halotrichite] Tarassoff et al. (2006)
Saskatchewan ⓘ Ceylon Lake	[Epsomite] Last (1990)
ⓘ North lngebright Lake	[Epsomite] Shang (2000)
ⓘ Waldsea Lake	[Epsomite] Greengrass et al. (1999)
Yukon Dawson mining district ⓘ Big Fish River	[Epsomite, Halotrichite] Robinson et al. (1992)
ⓘ Locality 16	[Epsomite] Robinson et al. (1992)
ⓘ Rapid Creek	[Epsomite, Halotrichite] 150-152. +1 other reference

Cape Verde
Sotavento Islands Fogo Island ⓘ Mount Fogo	[Halotrichite] Universidade de Evora +1 other reference

Chile
Antofagasta Antofagasta Province Mejillones Mejillones peninsula ⓘ Coronel Manuel Rodríguez mine	[Halotrichite] Some of the Sulphates has been ...
ⓘ Unnamed Cu mine [1]	[Halotrichite] Wet Chemical by Gerhard Möhn
Sierra Gorda ⓘ Alcaparrosa Mine	[Halotrichite] Kampf +5 other references
ⓘ La Compañia Mine	[Halotrichite] Samples analysed by Dr. Jochen Schluter
El Loa Province Calama Chuquicamata District ⓘ Chuquicamata Mine	[Epsomite, Halotrichite] Ericksen et al. (1970) +1 other reference
Toki Cu deposit (Toki Cluster) ⓘ Queténa Mine (Queténa Prospect)	[Halotrichite] Palache et al. (1951)
Arica y Parinacota Arica Province Los Camarones valley ⓘ Cuya	[Halotrichite] Kampf et al. (2013)
ⓘ Cuya NE5 chloride occurrence	[Epsomite] Kampf et al. (2013) +1 other reference
ⓘ Cuya NE9 sulfate occurrence	[Halotrichite] Kampf et al. (2013)
Atacama Chañaral Province ⓘ Salar de Gorbea	[Epsomite] Pueyo et al. (2021) +1 other reference
Copiapó Province ⓘ Tierra Amarilla	[Halotrichite] Handbook of Mineralogy (http://rruff.info/doclib/hom/halotrichite.pdf)
Pabellón Sierra Jardín ⓘ El Jardín mine	[Epsomite] British Natural History Museum online ...
Tarapacá Tamarugal Province ⓘ Cerros Pintados	[Halotrichite] Peter G. Seroka collection
Negreiros ⓘ Pampa de Aroma	[Epsomite, Epsomite var: Aromite (of Darapsky)] Clark (1993)

China
Gansu Baiyin Baiyin District Baiyinchang ore field Baiyinchang Cu deposit ⓘ Huoyanshan Mine	[Halotrichite] Bingbin Yang (1979)
ⓘ Zheyaoshan Mine	[Halotrichite] Bingbin Yang (1979)
Guangdong Shaoguan Qujiang District ⓘ Dabaoshan Mine	[Halotrichite] Liu et al. (2018)
Guizhou Qianxinan Xingren County Huijiabao gold field ⓘ Lanmuchang Tl deposit	[Halotrichite] Zhao +6 other references
Inner Mongolia Bayannur City (Bayannao'er Prefecture) Urad Rear Banner (Wulate Houqi) ⓘ Dongshengmiao Mine	[Epsomite] Zhaolong Li et al. (1981)
ⓘ Tanyaokou Fe-Cu-Zn deposit	[Epsomite, Halotrichite] Zhaolong Li et al. (1981)
Qinghai Hainan ⓘ Qinghai Lake (Lake Koko Nor)	[Epsomite] Sun Da-peng et al. (2002)
Haixi Mongol and Tibetan Autonomous Prefecture Da Qaidam (Dachaidan Co.) ⓘ Da Qaidam salt lake (Dachaidan salt lake)	[Epsomite] Shaoxiu (1991) +1 other reference
Xitieshan ⓘ Xitieshan Mine	[Halotrichite] Guangzhi Tu et al. (1964)
Golmud City (Ge'ermu Co.) ⓘ Qarhan salt lake (Chaerhan salt lake)	[Epsomite] Dongsheng Hu (1990) +1 other reference
Mangnai City (Mangya Co.) ⓘ Dalangtan lake	[Epsomite] Shaoxiu (1991) +2 other references
ⓘ Gasikule salt lake	[Epsomite] Shaoxiu (1991) +1 other reference
Lenghu Co. ⓘ West Taijinar salt lake (Xitaijinai'er salt lake)	[Epsomite] Xiying Zhang et al. (2007)
ⓘ Yiliping salt lake	[Epsomite] Shaoxiu (1991)
Tibet Nagqu Nyima Co. (Nima Co.) ⓘ Margog Caka (Ma'erguo Chaka)	[Epsomite] Xiyu Zheng and Shengsong Yu (1981)
Ngari Gê'gyai Co. (Geji Co.) ⓘ Chagcam Caka (Zhacang Chaka)	[Epsomite] Mianping Zheng and Xifang Liu (2010)
Xinjiang Bayin'gholin Autonomous Prefecture Ruoqiang Co. (Qakilik Co.; Chaqiliq Co.) ⓘ Lop Nur (Lop Nuur; Lop lake; Luobu lake; Luobubo)	[Epsomite] Tang (2005) +1 other reference
Hami Prefecture (Kumul Prefecture; Qumul Prefecture) Yizhou District ⓘ Qijiaojing salt lake	[Epsomite] Bingxiao (1992)
Ili Kazakh Autonomous Prefecture Tacheng Prefecture (Tarbaghatay Prefecture) Hebukesai'er Co. (Hoboksar Co.; Kobuksar Co.; Qobuqsar Co.) ⓘ Manas salt lake (Manasi salt lake)	[Epsomite] Bingxiao (1992) +1 other reference
Turpan Gaochang District Turfan basin (Turpan basin) ⓘ Aydingkol salt lake (Aiding salt lake)	[Epsomite] Bingxiao (1992)
Yunnan Baoshan Tengchong County ⓘ Rehai geothermal field	[Halotrichite] Meixiang et al. (1987)

Costa Rica
Alajuela Province San Carlos Canton Arenal Vulcano National Parc ⓘ Arenal Volcano	[Halotrichite] Stoiber et al. (1974)
Sarchí Canton ⓘ Poás Volcano	[Epsomite, Halotrichite] Rodríguez et al. (2017)
Cartago Province Oreamuno Canton Irazú Volcano ⓘ Cueva Los Minerales	[Epsomite, Halotrichite] Ulloa et al. (2018)

Cuba
Isla de la Juventud special municipality Isla de la Juventud (Isle of Pines; Island of Youth) ⓘ Rio del Callejon deposit	[Halotrichite] Zwahr et al. (1999)

Cyprus
Nicosia District ⓘ Sia	[Halotrichite] Ng +1 other reference

Czech Republic
Central Bohemian Region Benešov District ⓘ Roudný deposit	[Epsomite] Zemek +5 other references
Beroun District ⓘ Chrustenice	[Epsomite] Vtělenský J. (1959)
ⓘ Kladno District	[Epsomite, Halotrichite] Palache et al. (1951) +1 other reference
ⓘ Otvovice ?	[Halotrichite] Ales Tomek photo
Prague-West District Hradištko ⓘ Mandát	[Epsomite, Halotrichite] Velebil (2000)
Nučice ⓘ Nučice deposit	[Epsomite] Vtělenský J. (1959)
Rakovník District Pavlíkov Skřivaň ⓘ Valachov Hill	[Halotrichite] Palache et al. (1951)
Hradec Králové Region Trutnov District Radvanice ⓘ Kateřina Coal Mine	[Epsomite, Halotrichite] Jirásek (2001)
Karlovy Vary Region Cheb District Stará Voda ⓘ Dyleň	[Halotrichite] Fiala
Karlovy Vary District ⓘ Jáchymov	[Epsomite, Halotrichite] Hloušek et al. (2002)
Svornost Mine ⓘ Geschieber vein ?	[Halotrichite] 86. +1 other reference
Sokolov District Kraslice ⓘ Tisová	[Epsomite] Beran (Ag, Au, Co) +2 other references
Moravian-Silesian Region Karviná District Doubrava ⓘ Doubrava Mine ?	[Epsomite] Matýsek et al. (2014)
Lázně Darkov ⓘ Darkov Mine (1 May mine)	[Halotrichite] Matýsek et al. (2014)
Orlová ⓘ ČSA Mine	[Epsomite, Halotrichite] Matýsek et al. (2014)
ⓘ Mining Plant I	[Epsomite] Matýsek et al. (2026)
Lazy Mine ⓘ Dukla Mine	[Epsomite, Halotrichite] Kruťa T. (1951)
Nový Jičín District Štramberk ⓘ Limestone quarries	[Halotrichite] Jirásek et al. (2011)
Opava District Vítkov Nové Těchanovice Zálužné ⓘ Schieferbergbau-Actien-Gesellschaft in Olmütz adit	[Epsomite] Jirásek et al. (2019)
Ostrava-City District Ostrava Odra Mine (after 1995) ⓘ Hlubina Mine (after 1958)	[Epsomite] Kruťa T. (1951)
Ostrava Mine (after 1967) ⓘ Zárubek Mine (after 1954)	[Halotrichite] Vinš V. (1957)
Olomouc Region Přerov District Hrabůvka ⓘ Hrabůvka quarry	[Epsomite] Kopečný
Šumperk District Staré Město Velké Vrbno ⓘ Konstantin Quarry	[Epsomite] Matýsek et al. (2024)
Pardubice Region Pardubice District ⓘ Chvaletice	[Epsomite, Halotrichite]
Plzeň Region Klatovy District Sušice ⓘ Hamr quarry	[Epsomite] Hofmanovi P. a R.: Příspěvek k ...
Tachov District ⓘ Stříbro	[Epsomite] Pauliš +3 other references
South Moravian Region Brno-Country District Čučice ⓘ Graphite mines	[Epsomite, Halotrichite] Houzar (1998)
Oslavany ⓘ Rosice-Oslavany coalfield	[Epsomite] Hršelová et al. (2013)
Hodonín District Čejč ⓘ Čejč lignite deposit	[Epsomite] Kruťa
Žádovice ⓘ Barbora I lignite mine	[Epsomite, Halotrichite] Kruťa T. (1944)
Ústí nad Labem Region Chomutov District Březno ⓘ Čermníky	[Epsomite] Bouška
Děčín District ⓘ Pravčice rock arch	[Epsomite, Halotrichite] Varilová et al. (2011)
Louny District Postoloprty Strkovice ⓘ Strkovice deposit	[Halotrichite] Filippi (1999)
Teplice District Bílina ⓘ Bílina coal mine	[Halotrichite] Bouška
ⓘ Krupka	[Halotrichite]
Vrchoslav ⓘ Vrchoslav fluorite deposit	[Halotrichite] Petr Fuchs collection
Vysočina Region Žďár nad Sázavou District Bory ⓘ Dolní Bory	[Halotrichite] Staněk (1991) +4 other references
ⓘ Pegmatite vein Oldřich	[Halotrichite] Staněk (1997)
Rožná Rožná deposit ⓘ Rožná I Mine	[Epsomite] Petr Pauliš
Zlín Region Uherské Hradiště District Komňa ⓘ Bučník Hill Quarry	[Halotrichite] Gramblička (n.d.)

Egypt	[Halotrichite, Halotrichite var: Masrite]

New Valley Governorate ⓘ Dakhlah Oasis (Dakhleh Oasis)	[Epsomite]
South Sinai Governorate Abu Durba Intrusion ⓘ Abu Durba Hot Springs	[Epsomite] BORCHERT et al. (801-864) +2 other references

El Salvador
Sonsonate Department ⓘ Izalco Volcano	[Halotrichite] Stoiber et al. (1974)

Finland
North Savo Kuopio ⓘ Björkbakkagård	[Halotrichite] Arppe Finsk. Min. 1857 +1 other reference

France
Auvergne-Rhône-Alpes Haute-Loire Brioude Blesle ⓘ Le Terret	[Epsomite] R. Pierrot
Lubilhac Dahu Mine (Daü Mine; Dahut Mine) ⓘ Pied-Brut vein (Le Bois du Seigneur vein)	[Epsomite] C. Vialaron : La mine d'antimoine de Daü et al. (1999)
Vieille-Brioude ⓘ Granite quarry	[Halotrichite] Pélisson (1989)
Rhône Villefranche-sur-Saône Chessy ⓘ Chessy copper mines	[Epsomite] Coueille (1988)
Sain-Bel ⓘ Iron mine	[Epsomite] Bariand et al. (n.d.)
Brittany Côtes-d'Armor Saint-Brieuc Caurel ⓘ N164 By-pass	[Halotrichite] Pierre Le Roch
Finistère Châteaulin ⓘ Huelgoat	[Halotrichite]
ⓘ Huelgoat mines	[Halotrichite] Lacroix (1910) +1 other reference
Poullaouen ⓘ La Vieille mine	[Halotrichite] Pierrot et al. (1973)
Locmaria-Berrien ⓘ Poullaba vein	[Halotrichite] Pierrot et al. (1973)
Scrignac ⓘ Kerizac	[Halotrichite] Chauris (2014)
Corsica Haute-Corse Corte Vezzani ⓘ Vezzani Mine	[Halotrichite] Lheur et al. (2011)
Grand Est Ardennes Charleville-Mézières ⓘ Anchamps	[Halotrichite] Vanrusselt (2023)
ⓘ Fumay	[Halotrichite] Nicu Pacanu collection
Hauts-de-France Pas-de-Calais Lens ⓘ Avion	[Epsomite, Halotrichite] Naze-Nancy Masalehdani et al. (2009)
Nouvelle-Aquitaine Haute-Vienne Limoges Saint-Léonard-de-Noblat ⓘ Puy-les-Vignes	[Halotrichite] Lebocey (2014)
Occitanie Ariège Ascou ⓘ D613 Ax les Thermes	[Halotrichite] Patrice Queneau Collection visual identification. Confirmed. Analyzed by Nicolas Meisser (Naturéum)
Foix Ax-les-Thermes ⓘ Route départementale 613	[Halotrichite] Patrice Queneau Collection visual identification. Confirmed. Analyzed by Nicolas Meisser (Naturéum)
Aude Narbonne ⓘ Fitou	[Epsomite] Berbain et al. (2005)
Aveyron Villefranche-de-Rouergue Decazeville Decazeville coal basin ⓘ Découverte de Lassalle	[Halotrichite] www.pangeaminerals.com (2005)
Gard Le Vigan Montdardier ⓘ Les Vieux Travaux mine	[Epsomite, Halotrichite] Gol et al. (2010)
ⓘ Les Malines District	[Epsomite, Halotrichite] Gol et al. (2010)
Pyrénées-Orientales Céret Argelès-sur-Mer ⓘ Château de Valmy	[Halotrichite] Berbain et al. (2005)
ⓘ Feldspar quarries (Mas de l'Abat)	[Halotrichite] Berbain et al. (2005)
Tarn-et-Garonne Montauban Orgueil ⓘ Orgueil meteorite	[Epsomite] John A. Wood (1977) +1 other reference
Pays de la Loire Loire-Atlantique Nantes Nantes Chantenay ⓘ Miséri (Miséry) quarry	[Halotrichite] Baret (1905)
Saint-Nazaire Saint-Nazaire ⓘ Porcé	[Halotrichite] Baret (1905)
Provence-Alpes-Côte d'Azur Alpes-Maritimes Nice Arrondissement Saint-Sauveur-sur-Tinée ⓘ Saint-Sauveur (incl. Pointe de Campanier)	[Halotrichite] R. Pierrot
Hautes-Alpes Gap La Chapelle-en-Valgaudemar ⓘ Jas Roux	[Halotrichite] Bourgoin et al. (2011)

Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Münstertal St Trudpert ⓘ Münstergrund Mine	[Halotrichite] Kleinander (2009)
Sulzburg ⓘ Holderpfad area	[Halotrichite] Brill (2017)
Ortenaukreis Haslach im Kinzigtal Steinach ⓘ Artenberg quarry	[Halotrichite] Hahn (1991)
Hausach Hausach ⓘ Erzengel Gabriel Mine (Gabriel Mine) ?	[Halotrichite] Walenta (1996)
Oberwolfach ⓘ Clara Mine	[Halotrichite] Walenta (1992)
Offenburg Offenburg Zunsweier ⓘ Hagenbach Mine	[Epsomite] Walenta (1992)
Seelbach Seelbach Weiler ⓘ Michael Mine	[Halotrichite] Wittern (2001)
ⓘ Schauinsland Pb-Zn mining district	[Halotrichite] Walenta (1992)
Karlsruhe Region Rhein-Neckar-Kreis Mühlhausen Rettigheim ⓘ Clay pit	[Halotrichite] ...
Bavaria Lower Bavaria Freyung-Grafenau District Röhrnbach ⓘ Steinerleinbach Quarry	[Halotrichite] Weiß (1990) +1 other reference
Passau District Hauzenberg Kropfmühl ⓘ Kropfmühl Mine	[Epsomite] Habel (2011)
ⓘ Kropfmühl-Untergriesbach graphite mining district	[Halotrichite] Weiß (1990)
Regen District Bodenmais ⓘ Silberberg Mine	[Halotrichite] Obermüller (1993)
Rinchnach Grub ⓘ Grub Quarries	[Halotrichite] Obermüller (1992)
Upper Bavaria Berchtesgadener Land District Berchtesgaden Berchtesgadener Salzberg ⓘ Salt Mine	[Epsomite]
Upper Franconia Wunsiedel im Fichtelgebirge Arzberg ⓘ Arzberg iron mines ?	[Halotrichite] Hanneberg et al. (2009) +1 other reference
Upper Palatinate Neustadt an der Waldnaab District Windischeschenbach Oberbaumühle ⓘ Oberbaumühle Quarry	[Halotrichite] Schwarzmeier et al. (2015) +2 other references
Brandenburg Märkisch-Oderland Bad Freienwalde ⓘ Clay pit	[Epsomite] Baumgärtl (2006)
Rüdersdorf bei Berlin ⓘ Limestone quarries	[Halotrichite] Jahn (2013)
Hesse Darmstadt Darmstadt-Dieburg Messel ⓘ Messel Mine	[Halotrichite] Aufschluss 1980 (6)
Darmstadt Darmstadt-Ost ⓘ Prinz von Hessen Mine	[Halotrichite] Aufschluss 1980 (6)
Giessen Region Limburg-Weilburg Hünfelden Mensfelden ⓘ Birkenkopf quarry	[Epsomite] XRD and Wet Chemical by Gerhard Möhn
Kassel Region Hersfeld-Rotenburg Heringen ⓘ Wintershall Potash Works	[Epsomite] Weiß (1990)
Nentershausen Süß Richelsdorf Smelter ⓘ Ore dumps ?	[Halotrichite] Weiß (1990)
Phillippsthal ⓘ Hattorf Potash Works	[Epsomite] Weiß (1990)
Schwalm-Eder Schwalmstadt Gusterhain ⓘ Wohlfarth Mine	[Halotrichite] Palache et al. (1951)
Lower Saxony Goslar District Goslar Rammelsberg ⓘ Rammelsberg Mine	[Epsomite, Halotrichite] Steinkamm et al. (1988)
North Rhine-Westphalia Arnsberg Herne Baukau ⓘ Julia coal mine	[Halotrichite] Weiß (1990)
Hochsauerlandkreis Arnsberg Müschede ⓘ Lanwehr quarry	[Halotrichite] found by Thomas Thieme
Märkischer Kreis Iserlohn Letmathe Helmke quarry nature reserve ⓘ Genna zinc smelter slag locality	[Halotrichite] Bender et al. (1994)
Olpe Lennestadt ⓘ Meggen Mine	[Halotrichite] Weiß (1990)
Cologne Aachen Alsdorf ⓘ Anna mine	[Halotrichite] Blaß et al. (1993)
Düsseldorf Essen Dellwig ⓘ Christian Levin coal mine	[Halotrichite] Weiß (1990)
Oberhausen Alstaden ⓘ Alstaden coal mine	[Halotrichite] Vertacnik (1983) +1 other reference
Münster Bottrop ⓘ Franz-Haniel Mine	[Halotrichite] Weiß (1990)
Recklinghausen Marl Hüls ⓘ Auguste Victoria coal mine	[Halotrichite] Weiß (1990)
Rhineland-Palatinate Donnersbergkreis Nordpfälzer Land Bayerfeld-Steckweiler ⓘ Roßwald Mine	[Halotrichite] Heidtke (2001)
Stahlberg ⓘ Erzengel Michael Mine (Erzengel Mine)	[Halotrichite] Ferber (1776)
Mainz-Bingen Rhein-Nahe Waldalgesheim ⓘ Dr. Geier mine (Amalienhöhe mine; Elisenhöhe mine)	[Epsomite] XRD analysis
Rhein-Lahn-Kreis Loreley Sankt Goarshausen Wellmich ⓘ Äquivalenz adit	[Halotrichite] Weiß (1990)
Saarland Saarlouis Reisbach ⓘ Dr. Schäfer mine	[Halotrichite] Thomas Kleser Collection / Analyses by ...
Saxony-Anhalt Harz Harzgerode Harzgerode ⓘ Brachmannsberg Mine	[Epsomite] Gröbner et al. (2011)
Saalekreis Teutschenthal ⓘ Krügershall Mine	[Epsomite] Witzke et al. (2011)
Salzlandkreis Bördeaue Tarthun ⓘ Brefeld potash mine	[Epsomite] Brockt et al. (2001)
ⓘ Staßfurt	[Epsomite] Naumann +1 other reference
ⓘ Friedrichshall potash mine	[Epsomite] Palache et al. (1951)
ⓘ Leopoldshall potash mine	[Epsomite] ... +1 other reference
Saxony Bautzen District Oßling ⓘ Oßling Quarry	[Halotrichite] Wittern (2001)
Wittichenau ⓘ Dubring quarry	[Halotrichite] Wittern (2001)
Dresden ⓘ Willi Agatz mine	[Halotrichite] Thalheim +1 other reference
Erzgebirgskreis Raschau-Markersbach Langenberg Graul Gottes Geschick Vereinigt Feld Mine ⓘ St Catharina Mine	[Halotrichite] www.dergraul.de (2001)
ⓘ Stamm Asser Mine	[Epsomite] www.dergraul.de (2001)
Görlitz District Quitzdorf am See Horscha ⓘ Pansberg quarry	[Halotrichite] 86. +1 other reference
Mittelsachsen Brand-Erbisdorf ⓘ Himmelsfürst Mine	[Epsomite, Halotrichite] Gerstenberg (n.d.)
ⓘ Freiberg	[Epsomite] Wittern (2001)
Oberschöna Bräunsdorf ⓘ Neue Hoffnung Gottes Mine	[Halotrichite] Naumann et al. (1898)
Sächsische Schweiz-Osterzgebirge Freital Döhlen ⓘ Carola Mine	[Halotrichite] Thalheim +1 other reference
Thuringia Greiz District Kauern ⓘ Lichtenberg Absetzer dump	[Epsomite, Halotrichite] Witzke et al. (1998)
Ronneburg ⓘ Lichtenberg open cast	[Epsomite, Halotrichite] Witzke et al. (1998)
ⓘ Schmirchau mine	[Epsomite] Witzke et al. (1998)
Weida ⓘ Loitsch Quarry	[Epsomite] Hanneberg et al. (2009) +1 other reference
Jena ⓘ Teufelslöcher	[Epsomite] Die Teufelslöcher bei Jena
Nordhausen District Harztor Niedersachswerfen ⓘ Kohnstein Quarry	[Epsomite] Siemroth (2008)
Saalfeld-Rudolstadt District Lehesten ⓘ Slate quarries	[Epsomite, Halotrichite] Liebeskind et al. (1992)
Saalfeld Garnsdorf ⓘ Jeremias Glück Mine (Fairy Grotto)	[Epsomite] Rüger (1995)

Greece
Attica East Attica Lavreotiki Agios Konstantinos (Kamariza) Kamariza Mines (Kamareza Mines) ⓘ Hilarion Mine	[Epsomite]
Elaiochori Dipseliza mines ⓘ Dipseliza Sulfate Locality	[Halotrichite] Rieck (n.d.)
Km 3 Kaminiza mines ⓘ Esperanza Mine	[Epsomite]
Lophos Agrileza mines ⓘ Maria Mine	[Epsomite]
ⓘ Mine No. 6	[Epsomite] Wendel et al. (1999)
Plaka Plaka Mines ⓘ Adami Mine No. 2	[Epsomite]
ⓘ Plaka Mine No. 80	[Epsomite]
ⓘ Plaka Sulfate Locality	[Epsomite, Halotrichite]
ⓘ Plaka Sulfate Locality II	[Epsomite, Halotrichite] Rieck (n.d.)
Sounion Cato Sounio mines ⓘ Sounion Mine No. 18	[Epsomite] Hanke (1998)
ⓘ Sounion Sulfate Locality	[Epsomite, Halotrichite] Rieck (n.d.)
Eastern Macedonia and Thrace Evros Alexandroupoli ⓘ Agios Philippos Mine	[Halotrichite] Triantafyllidis et al. (2007)
North Aegean Samos Western Samos ⓘ Karlovassi basin	[Epsomite] Stamatakis (1989)
South Aegean Milos Milos Island ⓘ Thiorichia ?	[Halotrichite] Markus J. Stark Collection

Hungary
Baranya County Komló District ⓘ Komló	[Halotrichite] Szakáll et al. (1997)
Pécs District ⓘ Pécs-Vasas	[Epsomite, Halotrichite] Lovász A. (2014)
Borsod-Abaúj-Zemplén County Edelény District ⓘ Perkupa	[Epsomite] Koch (1985)
Gönc District ⓘ Telkibánya	[Halotrichite] Szakáll et al. (1997)
Kazincbarcika District Dédestapolcsány ⓘ Heinrich adit	[Epsomite] Szakáll et al. (1997)
Múcsony ⓘ Szeles Shaft	[Halotrichite] Szakáll et al. (1997)
ⓘ Ormosbánya	[Halotrichite] Szakáll et al. (1997)
ⓘ Rudabánya	[Halotrichite] NAGY et al. (2000)
ⓘ Andrássy I. Mine	[Epsomite] Szakáll et al. (1997)
ⓘ Andrássy II. Mine	[Epsomite] Szakáll et al. (1997)
ⓘ Andrássy III. Mine	[Epsomite] Szakáll et al. (1997)
ⓘ Vilmos Mine	[Epsomite, Halotrichite] Szakáll: Minerals of Rudabánya +1 other reference
Miskolc District Miskolc ⓘ Lyukóbánya	[Halotrichite] Szakáll et al. (1997)
Tokaj District Tarcal ⓘ Kopasz Hill andesite quarry	[Epsomite] Szakáll et al. (1997) +1 other reference
Budapest ⓘ Gellért Hill	[Epsomite] Sándor et al. (2005)
ⓘ Sas Hill	[Epsomite] Sándor et al. (2005)
ⓘ Tündér Hill	[Epsomite] Szakáll et al. (1997)
Fejér County Mór District ⓘ Pusztavám	[Halotrichite] Szakáll et al. (1996)
Heves County Eger District Egercsehi ⓘ Egercsehi Coal Mine	[Halotrichite] Szakáll et al. (1997)
Gyöngyös District Gyöngyösoroszi ⓘ Bányabérc adit	[Epsomite] Farkas et al. (2009)
ⓘ Ezüstbánya-völgy adit	[Epsomite] www.geomania.hu (2013)
ⓘ Károlytáró	[Halotrichite] Sándor et al. (2005)
Mátraszentimre ⓘ Szent Imre Mine	[Halotrichite] Szakáll-Kristály-2018 +1 other reference
Parádfürdő ⓘ Egyesség Adit	[Halotrichite] Szakáll et al. (1997) +1 other reference
ⓘ Hegyes Hill	[Halotrichite] Szakáll et al. (1997)
ⓘ Hosszú-bérci Alum Quarry	[Halotrichite]
Pétervására District Parádsasvár ⓘ Rudolftanya	[Halotrichite] Szakáll et al. (1997) +1 other reference
ⓘ Recsk	[Halotrichite] Tokody (1954)
ⓘ Lahóca Hill	[Halotrichite] Szakáll et al. (1997)
ⓘ Recsk Mine (Deep Level)	[Epsomite] Mecsek-Oko
Komárom-Esztergom County Tatabánya ⓘ Coal mines	[Epsomite, Halotrichite] Szakáll et al. (1997)
ⓘ Tokodaltáró	[Epsomite, Halotrichite] Szakáll et al. (1996)
Nógrád County ⓘ Felsőpetény	[Halotrichite] Szakáll et al. (1997)
Keszeg ⓘ Sinkár Quarry	[Halotrichite]
Somoskőújfalu ⓘ Gubó kő	[Epsomite] Sándor et al. (2005)
Pest County Szob District Márianosztra ⓘ Nagyirtáspuszta	[Epsomite] Szakáll & Jánosi. Minerals of Hungary
ⓘ Nagybörzsöny	[Halotrichite]
ⓘ Alsó-Rózsa adit	[Epsomite, Halotrichite] Szakáll et al. (1996)
ⓘ Altáró	[Halotrichite]
Vas County Szombathely District Felsõcsatár ⓘ Zöldpala Quarry	[Epsomite] Csanad Loranth
Veszprém County Tapolca District Lesenceistvánd ⓘ Scree Mine	[Halotrichite]
Zala County Keszthely district Rezi ⓘ Kotyor brook	[Halotrichite] Szakáll et al. (1996)

Iceland
Capital Region Hafnarfjörður Krysuvik-Seltun geothermal area ⓘ Krisuvik hot spring	[Halotrichite] Palache et al. (1951)
Northeastern Region Þingeyjarsveit Skútustaðahreppur Myvatn ⓘ Krafla Volcano	[Epsomite, Halotrichite] Carson III (2015)

India
Madhya Pradesh Jabalpur Division Balaghat District Baihar Malanjkand ⓘ Malanjkhand Mine	[Epsomite] Equeenuddin (2015)

Iran
West Azerbaijan Province ⓘ Urmia County	[Halotrichite] Palache et al. (1951)

Ireland
Munster Kerry County ⓘ Ballybunnion	[Halotrichite] Stephen Moreton Collection

Italy
Aosta Valley Saint-Marcel Servette-Chuc mining complex ⓘ Servette slag heaps	[Halotrichite] Neschen (n.d.)
Calabria Cosenza Province Cassano all'Ionio (Cassano allo Ionio) ⓘ Cassano all'Ionio caves (Cassano allo Ionio caves)	[Epsomite] D'Angeli et al. (2018)
Metropolitan City of Reggio Calabria San Lorenzo ⓘ Grana	[Halotrichite] Pailette (1842)
Campania Metropolitan City of Naples ⓘ Mount Vesuvius	[Epsomite, Halotrichite] American Mineralogist (1927) +1 other reference
Pozzuoli ⓘ Antiniana (Scarfoglio)	[Halotrichite] Russo et al. (2017)
ⓘ Pisciarelli di Agnano	[Halotrichite] Russo et al. (2017)
ⓘ Solfatara di Pozzuoli	[Epsomite, Halotrichite] Pichler et al. (1970)
ⓘ "Bocca Grande" fumarole	[Halotrichite] Russo et al. (2017)
Torre del Greco ⓘ Vesuvius fumaroles at the crater bottom	[Halotrichite] Russo et al. (2004) +1 other reference
ⓘ Vesuvius fumaroles	[Epsomite, Halotrichite] Russo et al. (2004) +1 other reference
Emilia-Romagna Modena Province Frassinoro ⓘ Romanoro	[Epsomite] Scacchetti et al. (2023)
Parma Province Berceto Corchia mine ⓘ Speranza Stope	[Halotrichite] Adorni F. (1997)
Piacenza Province Ferriere ⓘ Rocca Marsa	[Halotrichite] Neschen (n.d.)
Lazio Metropolitan City of Rome Capital Manziana ⓘ Solfatara di Manziana	[Halotrichite] Stoppani et al. (1982)
Sacrofano ⓘ Monte Solforoso	[Halotrichite] Del Caldo et al. (1973) +1 other reference
Liguria Genoa Genoa Borzoli ⓘ Mt. Ramazzo Mine	[Epsomite] Giuseppe Pipino - L'antica miniera di ...
Sestri Levante ⓘ Libiola Mine	[Epsomite, Halotrichite] Antofilli et al. (1983)
Savona Province Urbe ⓘ Faiallo Pass	[Halotrichite] Neschen (n.d.)
Lombardy Sondrio Province Lanzada Franscia ⓘ Dossi di Franscia ?	[Epsomite] Bedognè et al. (1993)
Sondalo ⓘ Piatta Grande (Piatta Grande - Piatta Piccola area)	[Epsomite] Gramaccioli (1962)
Piedmont Alessandria Province Voltaggio ⓘ Biccia Mine	[Epsomite] Pipino G. (1980) +1 other reference
Cuneo Province ⓘ Cherasco	[Epsomite] Piccoli et al. (2007)
ⓘ Dronero	[Halotrichite] Piccoli et al. (2007)
Metropolitan City of Turin Chialamberto ⓘ Fragnè Mine	[Epsomite, Halotrichite] Girolami (2006) +2 other references
Lessolo Calea ⓘ Brosso Mine	[Epsomite] Barresi (2006)
Verbano-Cusio-Ossola Province Antrona Schieranco ⓘ Antronapiana	[Epsomite] Bassani U. et al. (Ossola, Novara)
Ornavasso ⓘ Migiandone Mine (Miggiandone)	[Halotrichite] Gramaccioli (1975)
ⓘ Verbania	[Halotrichite] Barelli (1835) +1 other reference
Sardinia Sassari Province Sassari ⓘ Argentiera Mine (Argentiera della Nurra Mine)	[Epsomite] Ara D. et al. (2013)
South Sardinia Province Domusnovas ⓘ Perda Niedda Mine	[Halotrichite] Stara et al. (1996)
ⓘ Furtei	[Halotrichite] Fernando Caboni et al. (2024)
ⓘ Furtei mine	[Halotrichite] Fernando Caboni et al. (2024) +1 other reference
Gonnosfanadiga Fenugu Sibiri Mine ⓘ Pira Inferida	[Epsomite] Brizzi et al. (1994)
Iglesias ⓘ Campo Pisano Mine	[Epsomite]
Villaputzu ⓘ Baccu Locci Mine	[Halotrichite] //doi.org/10.57635/MICRO.2025.23.16
Sicily Agrigento Province ⓘ Favara	[Epsomite] Corrado Ferrito find and collection
Caltanissetta Province Bompensiere ⓘ Mangiabue salt mine	[Epsomite] Mezzadri (1988)
Butera ⓘ Acqua Mintina Cave (Grotta dell'Acqua Mintina)	[Epsomite] D'Angeli et al. (2018)
Mussomeli Belici salt deposit ⓘ Belici stream salt outcrop	[Epsomite] Mezzadri (1988)
Metropolitan City of Messina Eolie Islands (Aeolian Islands) Lipari Vulcano Island Porto Levante Faraglioni di Levante Faraglione Nico ⓘ Grotta dell'Allume	[Halotrichite] P.Forti (1994)
ⓘ Faraglione Ranni	[Halotrichite] Jervis (1873)
ⓘ Vulcanello	[Halotrichite] Jervis (1881)
Trentino-Alto Adige/Südtirol South Tyrol Burggrafenamt (Burgraviato) Moos in Passeier (Moso in Passiria) ⓘ Monteneve Mine (Schneeberg Mine)	[Epsomite] Exel (1987)
Eisacktal (Valle Isarco) Brixen (Bressanone) ⓘ Albes (Albeins)	[Halotrichite] Exel (1987)
Villnöß (Funes) ⓘ Halotrichite occurrence	[Halotrichite] Hockauf (1887)
Vinschgau (Val Venosta) Laas (Lasa) ⓘ Eyrs (Oris)	[Epsomite] Exel (1987)
Trento Province Fornace ⓘ Quadrate	[Halotrichite] Andreatta C. (Trentino)
Levico Terme ⓘ Grotta del Vetriolo	[Epsomite, Halotrichite] Exel (1987)
Tuscany Grosseto Province Massa Marittima ⓘ Niccioleta Mine	[Epsomite, Halotrichite] Brizzi G. et al. (GR)
Montieri ⓘ Boccheggiano mines	[Epsomite] Bazzoni C. et al.
Scansano ⓘ Pereta Mine	[Halotrichite] Sitta et al. (1981)
Livorno Province Campiglia Marittima ⓘ Lanzi Mine (Cava del Piombo; Buca del Piombo)	[Epsomite] Conticini F. et al. (1980) +1 other reference
ⓘ Monte Valerio	[Halotrichite] Neschen (n.d.)
Capoliveri Cape Calamita Mine ⓘ Macei stope	[Epsomite] C.L. Garavelli (1957)
ⓘ Vallone stope	[Epsomite] Calanchi et al. (1976)
Livorno Quercianella ⓘ Rogiolo mine	[Epsomite] Bottachiari et al. (2014)
Piombino ⓘ Baratti slag locality	[Halotrichite] Neschen (n.d.)
Rio ⓘ Rio Marina	[Halotrichite] De Michele (1974)
ⓘ Rio Mine	[Halotrichite] F. Millosevich (1915)
ⓘ Vigneria stope	[Epsomite] F. Millosevich (1914)
Rosignano Marittimo Gabbro ⓘ Buca Fonda quarry	[Epsomite] parcoculturaledicamaiano.toscana.it (2016) +1 other reference
Lucca Province Fabbriche di Vergemoli ⓘ Fornovolasco	[Epsomite, Halotrichite] Mauro (2020)
ⓘ Cava del Ferro (Bùgie mines; Trimpello)	[Epsomite, Halotrichite] Mauro D. (2016) +1 other reference
Pietrasanta Valdicastello Carducci ⓘ Pollone Mine	[Halotrichite] Benvenuti et al. (1990)
Stazzema Sant'Anna di Stazzema ⓘ Monte Arsiccio Mine	[Epsomite, Halotrichite] Mauro (2020)
Metropolitan City of Florence Gambassi Terme Podere Giuseppe ⓘ Cetine di Camporbiano Mine (Le Cetine; Cetine di Volterra; Cetine di Gambassi)	[Halotrichite] Betti et al. (2017)
Pisa Province Montecatini Val di Cecina ⓘ Miemo	[Epsomite]
Pomarance ⓘ Larderello	[Epsomite] Orlandi (2005)
ⓘ Malentrata	[Epsomite] Orlandi (2005)
Siena Province Chiusdino ⓘ Le Cetine di Cotorniano mine	[Epsomite, Halotrichite] Sabelli et al. (1984) +1 other reference
Veneto Vicenza Province Torrebelvicino Manfroni Valley ⓘ Nogarette Mine	[Epsomite] Sergio Pegoraro et al. (2022) +2 other references

Japan
Akita Prefecture Kazuno City ⓘ Osarizawa Mine	[Halotrichite] - (n.d.)
Fukushima Prefecture Minamisōma City ⓘ Odaka town	[Epsomite] Seki et al. (1987)
Ibaraki Prefecture Taga District Hitachi-machi ⓘ Hitachi Mine	[Epsomite] - (n.d.) +1 other reference
Oita Prefecture Beppu City ⓘ Beppu hot springs	[Halotrichite] Ueno Scientific Co. specimen
Yamagata Prefecture Mogami District Mogami ⓘ Fukufune deposit	[Halotrichite] LIN et al. (2020)

Jersey
St Peter ⓘ La Gigoulande Quarry	[Epsomite] Mourant (1978)

Jordan
Jerash Governorate Jerash ⓘ Jerash lignite occurrence	[Epsomite] Dill et al. (2009)

Kenya
Trans-Nzoia County Mount Elgon ⓘ Kitum Cave	[Epsomite, Halotrichite] Bowell et al. (1996)

Kosovo
Pristina District Graçanica Badoc ⓘ Badovc Mine	[Epsomite] Hyseni et al. (2010)

Kyrgyzstan
Batken Region Kadamjay District ⓘ Chauvai (Chauvay) Sb-Hg Deposit	[Halotrichite] Kolesar et al. (1993)

Lebanon
South Governorate Jezzine District ⓘ Bhanine Valley	[Halotrichite] Kruszewski (2019)

Mexico
Chihuahua Aquiles Serdán Municipality ⓘ Santa Eulalia Mining District	[Halotrichite] Prescott
East Camp ⓘ San Antonio Mine	[Epsomite] Panczner (1987)
Manuel Benavides Municipality San Carlos ⓘ Apex mine	[Epsomite] Martin Števko-unpublished
Saucillo Municipality Naica ⓘ Naica Mine	[Epsomite] Gazquez et al. (1)
Durango Cuencamé Municipality Velardeña District Velardeña ⓘ Santa María Mine	[Halotrichite] Foshag (1931) +1 other reference
Mapimí Municipality Mapimí ⓘ Ojuela Mine	[Halotrichite]
Guerrero Taxco de Alarcón ⓘ El Fraile mine	[Epsomite] Yta et al. (2005)
ⓘ Guerrero I Mine	[Epsomite] Yta et al. (2005)
Mexico Temascaltepec Municipality Temascaltepec de González (Temascaltepec) ⓘ Rosario Mine	[Halotrichite] Panczner (1987)
Michoacan Angangueo Municipality Mineral de Angangueo ⓘ San Cayetano Mine	[Epsomite] Panczner (1987)
Sonora Santa Cruz Municipality Milpillas ⓘ Milpillas Mine	[Halotrichite] Jones et al. (2021)

Morocco
Drâa-Tafilalet Region ⓘ Bou Azzer mining district	[Epsomite] Weiß (2006)
Marrakesh-Safi Region Al Haouz Province Amizmiz Cercle Guedmioua Caïdat Azgour ⓘ Azegour Mine	[Epsomite] Maya Gold and Silver
Marrakech Prefecture Bour Cercle ⓘ Kettara mine	[Halotrichite] Hakkou et al. (2008)
Souss-Massa Region Taroudant Province Taliouine Cercle Ouzioua Caïdat ⓘ Imourkhssen Cu±Mo±Au±Ag Porphyry Deposit	[Epsomite] Ferraq et al. (2024)

Netherlands
Gelderland Winterswijk Ratum ⓘ Deep drill	[Epsomite] T.G. Nijland +1 other reference
ⓘ Limburg	[Halotrichite] T.G. Nijland
Brunssum ⓘ Emma-Hendrik coal dump	[Epsomite] T.G. Nijland
Kerkrade ⓘ Willem-Sophia mine	[Halotrichite] Mestrom (2023)

New Zealand
Auckland Region Kawau Island ⓘ Kawau Island Copper Mine	[Halotrichite] Collection of Rod Martin
Bay of Plenty Region ⓘ Whakaari (White Island)	[Halotrichite] Cody et al. (1979)
Otago Region Macraes (Macraes Flat) Macraes Mine ⓘ Golden Point Mine	[Epsomite] Auton (1997)
Waikato Region Matamata-Piako District Te Aroha ⓘ Tui Mine	[Epsomite] Courtney et al. (1990)
Taupo District Orakeikorako Thermal Area (Orakei Korako; The Hidden Valley) ⓘ Ruatapu Cave (Alum Cave)	[Halotrichite] Rod Martin et al. (NZ)
Wairakei ⓘ Lake Rotokawa	[Halotrichite] Collection of RJ Martin
Thames-Coromandel District Coromandel peninsula Whitianga ⓘ Whitianga Quarry	[Halotrichite] Sameshima (1986)
Thames Waiotahi Creek ⓘ Waiotahi Mine	[Epsomite] Hauraki goldfield

Nicaragua
León Department ⓘ Cerro Negro volcano	[Halotrichite] Stoiber et al. (1974)

North Macedonia
Kavadarci Municipality Ržanovo ⓘ Allchar	[Epsomite] Boevl et al. (2001) +1 other reference

Norway
Buskerud ⓘ Kongsberg silver mining district ?	[Halotrichite] Schumacher (1801) +1 other reference
Innlandet Lom Bøverdalen ⓘ Sulheim	[Halotrichite] Neumann (1985)
ⓘ Tessefaret	[Epsomite, Halotrichite] Gunnar Raade (1990) +1 other reference
Sør-Fron ⓘ Tofte Farm	[Halotrichite] Caillere et al. (1968) +1 other reference
Nordland Fauske ⓘ Storhelleren	[Epsomite, Halotrichite] Raade (1989)
Narvik Ballangen Råna ⓘ Bruvann ore field	[Epsomite] Raade (1989)
Oslo Gamle Oslo ⓘ Konowsgate 1	[Halotrichite] Neumann (1985)
Telemark Skien Flakvarp Torsberg ⓘ Dragehullet	[Epsomite, Halotrichite] Larsen (1974)
Troms og Finnmark Balsfjord ⓘ Takvatnet Roadcut	[Halotrichite] Nordrum (2000)
Trøndelag Orkland Meldal Løkken Verk ⓘ Gammelgruva	[Halotrichite] Jørgensen et al. (2001)
Vestland Kvinnherad Ølve mining district ⓘ Attramadalen Mines (Atramdal)	[Halotrichite] Ellingsen (1989)
Stord Huglo Island ⓘ Tveit Mine	[Halotrichite]

Pakistan
Khyber Pakhtunkhwa Province Nowshera District Jehangira ⓘ Khawrai (Khawari)	[Halotrichite] Niazi (2023)
Swabi District ⓘ Tarbela dam	[Epsomite] M. Qasim Jan et al. (1985)

Peru
Arequipa Caylloma Province Chivay District ⓘ Pinchollo geyser	[Halotrichite] Ciesielczuk et al. (2013)
ⓘ Paclla geyser	[Halotrichite] Tyc et al. (2022)
Ayacucho Lucanas Province Huac-huas District ⓘ Javier Mine (Javier Ortega Mine)	[Halotrichite] Hyršl (2010) +1 other reference
Huancavelica Huancavelica Province Huachocolpa District Huachocolpa mining district ⓘ Coquito Mine	[Halotrichite] Pérez-Puig Obieta et al. (2013)
Pasco Pasco province Cerro de Pasco ⓘ Esperanza mine	[Epsomite] Palache et al. (1951)

Poland
Greater Poland Voivodeship Koło County Gmina Kłodawa ⓘ Kłodawa salt deposit	[Epsomite] Jirásek +6 other references
Kuyavian-Pomeranian Voivodeship Mogilno County ⓘ Mogilno salt dome (Mogilno salt diapir)	[Epsomite] Wachowiak et al. (2012)
Lesser Poland Voivodeship Bochnia County Bochnia ⓘ Bochnia Mine	[Epsomite] Puławska et al. (2021) +2 other references
Olkusz County Gmina Bolesław ⓘ Bolesław mine	[Epsomite] Coppola et al. (2009)
Gmina Olkusz ⓘ Pomorzany Mine	[Epsomite, Halotrichite] Cabała et al. (2008)
Lower Silesian Voivodeship Kamienna Góra County Gmina Marciszów ⓘ Wieściszowice	[Epsomite, Halotrichite] Siuda (2004) +2 other references
ⓘ Colourful Lakelets	[Epsomite, Halotrichite] Balcerzak et al. (1992)
ⓘ Hoffnung Mine	[Epsomite, Halotrichite] Mochnacka et al. (2015)
Kłodzko County Nowa Ruda Słupiec Mine ⓘ Słupiec heap ?	[Halotrichite] Ciesielczukk
Lubań County Gmina Platerówka ⓘ Włosień	[Epsomite] Damrat (2011)
Wałbrzych Śródmieście Thorez mine ⓘ Thorez settler no. 1 ?	[Epsomite] Ł. Kruszewski field observations
Zgorzelec County Gmina Bogatynia ⓘ Turów lignite mine ?	[Epsomite] Stepisiewicz (1983)
Silesian Voivodeship Bytom Bobrek ⓘ Bobrek heap	[Epsomite] Nowak +1 other reference
Świętochłowice ⓘ Guidotto zinc smelter slag locality	[Epsomite] Bril et al. (2008)
Wodzisław County Radlin ⓘ Marcel mine heap	[Epsomite, Halotrichite] Ł. Kruszewski PXRD data (to be published soon)

Portugal
Aveiro Albergaria-a-Velha Branca ⓘ Palhal Mine	[Halotrichite] Marques de Sá et al. (2010)
Arouca ⓘ Serrinha waste pile - Pejão mining area - Douro Coalfield	[Epsomite] Joana Ribeiro et al. (2013)
Beja Aljustrel Aljustrel e Rio de Moinhos Aljustrel Mine ⓘ Algares deposit	[Halotrichite]
ⓘ Moinho deposit	[Halotrichite] Nunes (n.d.)
Mértola Corte do Pinto ⓘ São Domingos Mine	[Epsomite, Halotrichite] Álvarez-Valero et al. (2008)
Moura Sobral da Adiça ⓘ Preguiça Mine	[Epsomite] Silva et al. (2026)

Romania
Alba County Roșia Montană ⓘ Roşia Montană	[Halotrichite] Onac (2003)
Caraş-Severin County Băile Herculane ⓘ Diana Cave	[Epsomite, Halotrichite] B. Onac et al (2009, July)
Harghita County ⓘ Bălan	[Halotrichite] Edited by Szakáll-Kristály (2010)
Cozmeni ⓘ Lăzăreşti	[Halotrichite] minerals-of-the-carpathians.eu (2008)
Hunedoara County Certeju de Sus Bocşa Mare ⓘ Coranda quarry (Coranda open pit; Certej project; Coranda-Hondol ore deposit; Hondol pit)	[Epsomite] Romanian Journal of Mineral Deposits +1 other reference
Domogled - Cernei Valley National Park ⓘ Limestone caves	[Epsomite, Halotrichite] Onac (2009)
Maramureș County Baia Mare ⓘ Herja Mine	[Halotrichite] Own collect.
Săsar-Valea Roșie mining area ⓘ Săsar Mine	[Halotrichite] Lavinsky (n.d.)
Băiuț ⓘ Breiner Mine (Brainer Mine; Breiner deposit)	[Halotrichite] A. Januszewska PXRD data / Januszewska et al. (in preparation)
ⓘ Johan Hell Mine	[Epsomite, Halotrichite] Januszewska et al. (9th Meeting of the Mineralogical Society of Poland 28th Meeting of the Petrology group of the Mineralogical Society of Poland, October 19-22, 2023, Bielawa, Poland) +1 other reference
Poiana Botizii ⓘ Cizma Mine (Cisma deposit)	[Epsomite] A. Januszewska PXRD data / Januszewska et al. (in preparation)

Russia
ⓘ Astrakhan Oblast	[Epsomite] Bokova et al. (2016)
Limansky District Basy ⓘ Ilmen Malinovsky (Lake Malinovskoye)	[Epsomite] Bokova et al. (2016)
Bashkortostan Uchalinsky District ⓘ Verkhne-Arshinskoe deposit	[Epsomite] Blinov et al. (2011)
Chelyabinsk Oblast ⓘ Chelyabinsk coal basin	[Epsomite] Cesnokov et al. (1998)
Ilmen Mountains ⓘ Chernaya Rechka reserve-guard station	[Epsomite] Pekov (1998)
Chukotka Autonomous Okrug Anadyrsky District Tamvatnei massif ⓘ Tamvatnei Hg deposit	[Halotrichite] Pavel M. Kartashov (n.d.)
Kabardino-Balkaria Elbrussky District Tyrnyauz Urban Settlement Tyrnyauz Mo-W deposit ⓘ Malyi Mukulan Sn Mine	[Epsomite] Pekov (1998)
Kalmykia Chernozemelsky District ⓘ Lake Bolshoye Basinskoye	[Epsomite] Bokova et al. (2016)
Kamchatka Krai Ust-Bolsheretsky District ⓘ Verkhne–Koshelevsky geothermal field	[Halotrichite] Zhitova et al. (2023)
Yelizovsky District Kronotsky Reserve ⓘ Uzon Caldera	[Halotrichite] Active Volcanoes of Kamchatka
ⓘ Mutnovskoe	[Epsomite, Halotrichite] [Der Aufschluss 1995:4 p163-180] +1 other reference
ⓘ Mutnovsky volcano	[Halotrichite] www.kscnet.ru (2019)
ⓘ Dachnoe thermal field	[Halotrichite] Zhitova et al. (2022)
ⓘ Donnoe fumarole field	[Halotrichite] Zhitova et al. (2022)
ⓘ Rodnikovoe	[Epsomite] [Der Aufschluss 1995:4 p163-180]
Karachay-Cherkessia Karachayevsk City District Elbrussky (Elbrus) ⓘ El'brusskiy Pb-Zn mine (Elbrusskii mine; Elbrussky mine)	[Epsomite] webmineral.ru (2018)
Khakassia (Republic of Khakassia) Ust-Abakansky District ⓘ Ak-Kol Lake	[Epsomite] Arkhipov et al. (2015)
ⓘ Taloe Lake	[Epsomite] Arkhipov et al. (2015)
ⓘ Moscow ?	[Epsomite] Пекин (2010) +1 other reference
Sakhalin Oblast Kuril Islands Severo-Kurilsky District Paramushir Island ⓘ Ebeco Volcano (Ebeko Volcano)	[Halotrichite] Bortnikova et al. (2005)
Sverdlovsk Oblast Serovsky District Turya river Tur'insk ⓘ Vorontsovskoe deposit (Vorontsovsk gold deposit; Vorontsovka deposit)	[Epsomite] Kasatkin et al. (2021)
Zabaykalsky Krai Kalarsky District Kodar–Udokan ore district Udokan ⓘ Udokan mine	[Halotrichite] Gongalsky et al. (2019)
Nerchinsky District Adun-Cholon Range ⓘ Sherlova Gora	[Epsomite, Halotrichite] Kasatkin et al. (2014)
Petrovsk-Zabaykalsky District ⓘ Bom-Gorkhon Mine	[Halotrichite] Eremin et al. (2014)

Senegal
Ziguinchor Region ⓘ Djiguinoum Valley	[Halotrichite] Montoroi (1995)

Serbia
Central Serbia Belgrade Voždovac ⓘ Šuplja Stena Mine	[Halotrichite] Jahrestagung der DGK et al. (2002)

Slovakia
Banská Bystrica Region Banská Bystrica District Špania Dolina ⓘ Špania Dolina deposit	[Epsomite, Epsomite var: Manganese-bearing Epsomite] Palache et al. (1951)
Banská Štiavnica District ⓘ Banská Štiavnica	[Epsomite, Halotrichite] Smithsonian Institution USNM ...
ⓘ Banky	[Epsomite] Koděra et al. (1986)
Detva District Vígľašská Huta-Kalinka ⓘ Kalinka	[Epsomite]
Lučenec District Podrečany ⓘ Magnesite deposit	[Epsomite] Koděra et al. (1986)
Revúca District Chyžné ⓘ Herichová	[Halotrichite] Bohuslav Burev collection
Nandraž ⓘ Elena Mine	[Epsomite, Halotrichite] Koděra et al. (1986)
ⓘ Rákoš	[Epsomite] Koděra et al. (1986)
ⓘ Rákoš Fe deposit	[Epsomite] Koděra et al. (1986)
Ratková ⓘ Ratkovská Suchá Magnesite deposit	[Epsomite] Koděra et al. (1986)
Žarnovica District Hodruša-Hámre ⓘ Hodruša-Hámre mines	[Epsomite] Duda
ⓘ Rozália Mine	[Epsomite, Halotrichite] Russ (2017)
ⓘ Schöpfer vein	[Epsomite] Koděra et al. (1986)
ⓘ Všechsvätých vein	[Epsomite] Russ (2017)
Nová Baňa ⓘ Nová Baňa deposit	[Halotrichite] Koděra et al. (1986)
Žiar nad Hronom District Kremnica ⓘ Kremnica Au-Ag deposit	[Epsomite] Števko M. et al. (2011)
Bratislava Region Bratislava ⓘ Bratislava I	[Epsomite] Koděra et al. (1986)
Košice Region Gelnica District ⓘ Smolník	[Epsomite, Halotrichite] Koděra et al. (1986)
ⓘ Smolník Cu-Fe-S deposit	[Epsomite, Halotrichite] Koděra (1990)
Košice-okolie District Družstevná pri Hornáde ⓘ Tepličany	[Epsomite] Koděra et al. (1986)
Nižná Myšľa ⓘ Andesite quarry	[Halotrichite] Ďuďa R. et al. (1985)
Vyšný Medzev ⓘ Luciabaňa Mine	[Epsomite] Koděra et al. (1986)
Rožňava District ⓘ Bohúňovo	[Epsomite] Martin Števko
ⓘ Drnava	[Epsomite] Martin Števko-unpublished
Gemerská Hôrka ⓘ Fortuna Mine	[Epsomite] Martin Števko
Spišská Nová Ves District ⓘ Rudňany	[Epsomite] Števko M. et al. (2017)
ⓘ Slovinky	[Epsomite] Sottnik et al. (1998)
Spišská Nová Ves Novoveská Huta ⓘ Novoveská Huta U-Mo-Cu deposit	[Epsomite] Koděra et al. (1986)
ⓘ Tollstein	[Epsomite] Koděra et al. (1986)
Prešov Region Prešov District Červenica ⓘ Dubník	[Halotrichite] Duda et al. (1992)
ⓘ Libanka	[Halotrichite] Koděra et al. (1986)
ⓘ Slávik adit	[Halotrichite] Koděra et al. (1986)
Vranov nad Topľou District Komárany ⓘ Merník mercury deposit	[Epsomite, Halotrichite] Ďuďa
Trenčín Region Prievidza District Handlová ⓘ Handlová coal mine	[Epsomite] Myšľan P. et al. (Slovenská republika)

Slovenia
Idrija ⓘ Idria Mine (Idrija Mine)	[Epsomite, Halotrichite] Palache et al. (1951) +1 other reference
ⓘ Mežica	[Epsomite] Bancroft et al. (1991)
ⓘ Mežica Mines	[Epsomite] Bancroft et al. (1991)

South Africa
KwaZulu-Natal eThekwini Metropolitan Municipality Durban Umhlatuzana valley ⓘ Clairwood quarries	[Halotrichite] Cairncross et al. (1995)
Westville ⓘ S. A. Crushers quarry	[Halotrichite] Cairncross et al. (1995)
North West Bojanala Platinum District Municipality Moses Kotane Local Municipality ⓘ Vlakfontein nickel deposit	[Epsomite] Cairncross et al. (1995)

South Korea
Gangwon Province Hongcheon County ⓘ Hongcheon Carbonatite	[Epsomite] Pavel M. Kartashov's analytical data

Spain
Andalusia Almería Benahadux ⓘ La Partala Mines	[Epsomite, Halotrichite] Dr. César Salván analysis
Cuevas del Almanzora Sierra Almagrera ⓘ Golosina mine	[Epsomite] Rewitzer et al. (2023)
ⓘ Jaroso Ravine	[Halotrichite] Frost +4 other references
Villaricos ⓘ Dolores smelter slag locality	[Halotrichite] Navarro et al. (2008)
ⓘ Santa Ana smelter slag locality	[Halotrichite] Navarro et al. (2008)
Níjar ⓘ Rodalquilar	[Halotrichite] Andreas Brand collection
ⓘ Filón 340	[Halotrichite] Sainz de Baranda Graf et al. (2023)
ⓘ Mina San Diego	[Epsomite] ...
Pechina Baños de Alhamilla ⓘ Mina Casualidad	[Epsomite] Rewitzer et al. (2020)
Huelva Alosno Tharsis ⓘ Tharsis Mines	[Epsomite, Halotrichite] Valente et al. (2013)
ⓘ Esperanza	[Halotrichite] Valente et al. (2013)
ⓘ Filón Centro	[Halotrichite] Valente et al. (2013)
ⓘ Filón Norte open pit (Filón Norte Mine)	[Epsomite] Valente et al. (2013)
ⓘ Filón Sur open pit (Filón Sur Mine)	[Epsomite] Valente et al. (2013)
Minas de Riotinto ⓘ Rio Tinto Mines	[Epsomite] Garcia (1996)
ⓘ Alfredo pit	[Halotrichite] Calvo (1999)
Nerva ⓘ Peña del Hierro Mine	[Epsomite] Romero et al. (2006) +1 other reference
Aragon Huesca ⓘ Torralba	[Epsomite] Vizcayno et al. (1995)
Teruel Teruel ⓘ Nabo Ravine (Salobral Ravine)	[Epsomite] Fernando Gascón collection
Zaragoza Calatayud ⓘ Arcilla cave	[Epsomite] Palache et al. (1951)
Balearic Islands Majorca Llucmajor ⓘ Cova del Pas de Vallgornera	[Epsomite] Onac et al. (2014)
Canary Islands Santa Cruz de Tenerife Province La Palma Cumbre Vieja Area ⓘ Tajogaite Volcano	[Epsomite, Halotrichite] Campeny et al. (2023)
Cantabria Reocín ⓘ Reocín Mine	[Epsomite] Castro et al. (2001)
Castile-La Mancha Toledo ⓘ Villarrubia de Santiago (Ocaña)	[Epsomite] Dammer
ⓘ Virgen del Castellar Mine (El Castellar Mine)	[Epsomite] Calvo Rebollar (2014)
Castile and Leon Soria Medinaceli ⓘ Lodares quarry	[Epsomite] Garcia-Guinea et al. (2018)
Catalonia Barcelona Baix Llobregat Cervelló ⓘ Riera de Cervelló Mines	[Halotrichite] Joan Rosell (2022)
Gavà Bruguers ⓘ Elvira Mine	[Epsomite, Halotrichite] Joan Rosell (2022)
Molins de Rei Sant Bartomeu de la Quadra ⓘ Can Tintorer Mines	[Halotrichite] Mingueza et al. (Min. Catalunya/Paragénesis, 2025)
Barcelonès Barcelona city Collserola mountain range ⓘ Santa Creu d'Olorda	[Halotrichite]
Girona Camprodon Rocabruna ⓘ Les Ferreres mine	[Epsomite] Joan Rosell
Lleida Aran (Val d'Aran; Aran Valley) Bausen ⓘ Sa Plan mines	[Halotrichite] Mata i Perelló (1990)
Solsonès Torà ⓘ Costa de l'Aguda	[Epsomite]
Community of Madrid Chinchón ⓘ Consuelo Mine	[Epsomite] Sanabria (2004)
Ciempozuelos ⓘ Espartinas Saltworks	[Epsomite] González del Tánago et al. (2002)
Extremadura Cáceres Tajo-Salor Aliseda ⓘ Pastora Mine	[Epsomite, Halotrichite] Crespo López et al. (2023)
Galicia A Coruña Santiago de Compostela Aríns ⓘ Fornás Mine	[Halotrichite] Pascual +1 other reference
La Rioja Santa Engracia de Jubera Jubera ⓘ Túneles de los Moros mine (La Providencia mine)	[Epsomite] Calvo Rebollar (2014)
Murcia La Unión Portman ⓘ Dificultad Mine	[Epsomite] Calvo Rebollar (2014)
Valencian Community Alicante Orihuela ⓘ Diocesan College of Santo Domingo	[Epsomite] Benavente et al. (2018, September)
Valencia Venta del Moro Jaraguas ⓘ Saltworks	[Epsomite] Honrubia et al. (2002)

Sweden
Dalarna County Falun ⓘ Falun mine	[Epsomite, Halotrichite]

Switzerland
Aargau Zurzach Leuggern Felsenau ⓘ Gypsum mine	[Epsomite] Stalder et al. (1998)
Fribourg Broye Estavayer Murist ⓘ La Molière Quarry	[Halotrichite] Stalder et al. (1998)
Grisons Bernina Region Poschiavo Bernina Pass area ⓘ Laguné Valley	[Halotrichite] Romani (2000)
ⓘ La Motta	[Halotrichite] Romani (2000)
Maloja Region Sils im Engadin/Segl ⓘ Blaunca	[Epsomite] Philipp R. (1983)
Schaffhausen Hallau Wunderklingen ⓘ Limestone quarry	[Epsomite] Stalder et al. (1998)
Valais Conthey Nendaz Aproz ⓘ Pyrite mine	[Epsomite] Stalder et al. (1998)
Goms Binn Fäld ⓘ Lengenbach Quarry	[Epsomite] Cannon (2005) +1 other reference
Martigny Saillon ⓘ Salentse gorge	[Epsomite] Stalder et al. (1998)
Saint-Maurice Salvan Les Marécottes La Creusaz ⓘ La Creusaz U prospect	[Halotrichite] Meisser (2012)
Sierre Anniviers Ayer ⓘ Gollyre Mine	[Halotrichite] Ansermet (2012)
ⓘ Grand-Praz Mine	[Epsomite] Ansermet (2012)
Saint-Luc ⓘ Forêt du Rochet	[Halotrichite] Stalder et al. (1998)
ⓘ Les Moulins Mine	[Epsomite] Ansermet (2012)
ⓘ Lower Collioux Mine	[Epsomite] Stalder et al. (1998) +1 other reference
Vaud Aigle Bex ⓘ Salt mine	[Epsomite] Stalder et al. (1998)

Taiwan
Taipei City Beitou district ⓘ Beitou (Peitou; Hokuto springs)	[Halotrichite]

Tanzania
Songwe Region ⓘ Ivuna meteorite	[Epsomite] Wood (1977)

Togo
Centrale Region Sotouboua Prefecture ⓘ Pagala prospect	[Halotrichite] Wolfgang Hampel (2013)

Turkey
Ankara Province Beypazari District ⓘ Beypazarı trona deposit	[Epsomite] Helvaci (1998)
Central Anatolia Region ⓘ Tuzgölü basin	[Epsomite] Karakaya et al. (1984)
Niğde Province ⓘ Bor-Ulukışla basin	[Epsomite] Altay et al. (2010)

Turkmenistan
Balkan Region ⓘ Garabogazkol (Kara Bogaz Gol)	[Epsomite] Warren (2010)
Lebap Region South Tien-Shan Mountains Kugitangtau Ridge ⓘ Kap-Kutan Cave System (Karljuk Cave System; Cupp-Coutunn Cave)	[Epsomite] World of Stones no.2 +1 other reference

UK
England Cornwall Camborne ⓘ Dolcoath Mine	[Epsomite] Golley et al. (1995)
Cumbria Eden Alston Moor Nenthead ⓘ Brownley Hill Mine (Bloomsberry Horse Level)	[Epsomite] Green et al. (2000)
ⓘ Smallcleugh Mine ?	[Epsomite]
North Yorkshire Craven Ingleton ⓘ Mealbank Quarry ?	[Halotrichite] Ryback et al. (2001)
Stockton-on-Tees Billingham ⓘ Billingham anhydrite mine	[Epsomite] Mineralogical Magazine 1959 32 : ...
Surrey Epsom and Ewell ⓘ Epsom Spa	[Epsomite] Palache et al. (1951)
Scotland Renfrewshire ⓘ Paisley	[Halotrichite] Livingstone et al. (1983)
Wales Gwynedd Ganllwyd ⓘ Gwynfynydd Mine	[Halotrichite]
Isle of Anglesey Amlwch ⓘ Parys Mountain Mines	[Halotrichite]
Merthyr Tydfil Treharris ⓘ Deep Navigation Colliery	[Epsomite, Halotrichite] Ian Jones or national Museum of Wales ...

Ukraine
ⓘ Crimea	[Epsomite] Nesterovskiy et al. (2015)
Kerch Peninsula Vulcanovka Village area ⓘ Ak-Tube mud volcano	[Epsomite] Deyak M.A. Modern water-chemogenic ...
Simferopol area Lozovoye Village area ⓘ Lozovoye quarry	[Epsomite] Tischenko Alexander
Petropavlovka Village area ⓘ Petropavlovskii quarry	[Halotrichite] A. Tischenko. Minerals of the Crimea - ...
Ukrainka Village area (Kurtsy) ⓘ Kurtsovskoye deposit (diabases)	[Epsomite] Dvoichenko P.A. The minerals of Crimea (1914)
Ivano-Frankivsk Oblast ⓘ Kalusa salt deposit	[Epsomite] Palache et al. (1951)
Mykolayiv Oblast Pervomaisk Raion ⓘ Mighei meteorite	[Epsomite] Vdovykin (1973)
Sevastopol Balaklava district ⓘ Cape Fiolent	[Epsomite] Dobrovolskaya T.I. (2004)

USA
Alabama ⓘ Choctaw County	[Epsomite] Cook et al. (1982)
ⓘ Clarke County	[Epsomite] Cook et al. (1982)
Coosa County ⓘ Alum Bluff prospect	[Halotrichite] Cook et al. (1982)
ⓘ Escambia County	[Epsomite] Cook et al. (1982)
Madison County ⓘ Alum Cave Hollow	[Halotrichite] Dean (1995)
Tallapoosa County ⓘ Easton-Dudleyville area	[Epsomite] Cook et al. (1982)
Washington County ⓘ Hatchetgibee Bluff	[Epsomite] Cook et al. (1982)
Arizona Cochise County ⓘ Bisbee	[Epsomite, Halotrichite] Anthony et al. (1995)
ⓘ Higgins Mine	[Halotrichite] Grant et al. (2005)
ⓘ Tombstone Mining District	[Halotrichite] Galbraith (1959)
ⓘ Warren Mining District	[Epsomite] Anthony et al. (1995)
Coconino County Cameron Mining District ⓘ Cameron	[Halotrichite] Bollin et al. (1958)
Huskon Mines (Huskon group) ⓘ Huskon No. 1 Mine (Charles Huskon #1)	[Halotrichite] Scarborough (1981)
ⓘ Huskon No. 10 Mine (Charles Huskon #10; Huskon #10)	[Halotrichite] Anthony et al. (1995)
ⓘ Jackpot No. 8 ?	[Epsomite] Scarborough (1981)
ⓘ Yazzie No. 101 Mine	[Halotrichite] Scarborough (1981)
Orphan Mining District Grand Canyon Village ⓘ Orphan Mine (Orphan lode)	[Halotrichite] Anatoly Kasatkin analyses
Gila County Banner Mining District Hayden area Chilito ⓘ 79 Mine	[Halotrichite] Keith (1972)
Greenlee County ⓘ Copper Mountain Mining District (Clifton-Morenci Mining District)	[Epsomite] Lindgren (1905) +3 other references
La Paz County Buckskin Mountains Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District) Planet Planet Mine group ⓘ Planet Mine	[Halotrichite] Robert Lavinsky specimen
Mohave County Hualapai Mountains Hualapai Mining District Pine Peak ⓘ Antler Mine	[Halotrichite]
Pima County Ajo Mining District Little Ajo Mountains Ajo ⓘ New Cornelia Mine	[Epsomite] Gilluly (1937) +3 other references
Sierrita Mountains ⓘ Pima Mining District	[Epsomite] Anthony et al. (1995)
Silver Bell Mountains Silver Bell Mining District Mineral Mountain Silver Bell Mine ⓘ El Tiro Mine	[Epsomite] Galbraith (1959) +1 other reference
Pinal County ⓘ Ray	[Halotrichite] Jones et al. (1983)
San Manuel Mine ⓘ San Manuel orebody	[Epsomite] Anthony et al. (1976) +1 other reference
Scott Mountain ⓘ Ray Mine	[Halotrichite] Jones et al. (1983)
Santa Cruz County Patagonia Mountains Harshaw Mining District Alum Gulch Flux Gulch ⓘ Flux Mine	[Halotrichite] Museum Victoria specimen # M 36234
Harshaw ⓘ Blue Nose Mine (Abe Lincoln Mine; War Horse Mine; Big Chief Mine; Big Jim Mine; Blue Nose Extension Mine; Home Again Virginia Hay claims)	[Epsomite] MRDS database Dep. ID file #10048353
Palmetto Mining District ⓘ Denver Mine (El Toro Mine)	[Halotrichite] Bayliss et al. (1985) +1 other reference
Patagonia Mining District Patagonia ⓘ South of Patagonia	[Epsomite] Anthony et al. (1995)
Yavapai County Black Hills (Black Hill Range) Verde Mining District Jerome ⓘ United Verde Mine	[Halotrichite] John Sobolewski collection
Arkansas ⓘ Marion County	[Epsomite] Howard (1987) +1 other reference
ⓘ Montgomery County	[Halotrichite] Ransom (1974)
ⓘ Searcy County	[Epsomite] Howard (1987) +1 other reference
ⓘ White County	[Halotrichite] Howard (2007)
California Alameda County Livermore Mining District (Tesla District) Livermore ⓘ Eureka tunnel	[Halotrichite] Murdoch (1966)
Oakland Hills (San Leandro Hills) Oakland Leona Heights Leona Heights deposit ⓘ Alma Mine	[Epsomite, Halotrichite] Schaller (1903) +3 other references
ⓘ Leona Mine (Leona Heights Mine)	[Epsomite, Halotrichite] Schaller (1903) +2 other references
Alpine County Monitor - Mogul Mining District Leviathan Peak ⓘ Leviathan Mine	[Halotrichite] Rocks & Minerals: 16: 411. +6 other references
Amador County Four Corners ⓘ Copper Hill Mine (Cosumnes Mine; Hobo Mine; Jackass shaft)	[Epsomite] Murdoch et al. (1966)
Contra Costa County Clayton Mount Diablo (Mt Diablo) ⓘ Mount Diablo Mine	[Epsomite, Halotrichite] Ross (1940a) +4 other references
ⓘ El Dorado County	[Halotrichite] Murdoch (1966)
Fresno County Coalinga ⓘ Oil City area	[Epsomite] Murata (1977) +2 other references
Imperial County ⓘ Carrizo Creek	[Epsomite] Emory (1848) +1 other reference
Coyote Mountains Carrizo Mountain ⓘ Black Lady Mine (Shell Canyon; Trenchard claim; Copper Contact lode; Coyote Mountain; Black Lady group; Cevn group)	[Epsomite] Pemberton (1983)
Niland ⓘ Davis–Schrimpf Fumarole Field (Mud Volcanoes area; Mud Pots area)	[Epsomite, Halotrichite] Adams et al. (2014)
Plaster City ⓘ Coyote Mountains Nickel prospect (Coyote Mountains Nickel deposit; Copper Contact lode)	[Epsomite] Morton (1977) +2 other references
Salton Sea Mullet Island ⓘ F1 fumarole field	[Epsomite] Adams et al. (2014)
ⓘ Niland Fumarole Field	[Epsomite, Halotrichite] Adams et al. (2014)
Inyo County Coso Hot Springs ⓘ Coso Hot Springs deposit	[Halotrichite]
ⓘ Coso Mine (Devil's Kitchen; Atlas; Lynch & Lynch; Nicol; Walley-Mickey & Wheeler)	[Halotrichite] www.mineralsocal.org (1999)
Panamint Range (Panamint Mountains) Wingate Wash ⓘ Epsom Salts Camp	[Epsomite] Greene (1981)
White Mountains ⓘ Pacific Coast Pyrophyllite Mine	[Halotrichite] Baur et al. (1957) +3 other references
Kern County Boron ⓘ Kramer Borate deposit	[Epsomite] U.S. Borax
Mojave-Rosamond Mining District (Mojave Mining District) Mojave Soledad Mountain (Butte Mountain) Soledad Mountain deposit Soledad Mountain project (Victory) ⓘ Golden Queen Mine	[Halotrichite] Pemberton (1983) +1 other reference
Kings County Zwang Peak Head of Avenal Creek ⓘ Unspecified Hg mines [1]	[Epsomite] Murdoch et al. (1966)
Lake County East Mayacmas Mining District Castle Rock Springs ⓘ Helen Mine (Helen Mine group; Dead Broke Mine; American Mine)	[Epsomite] Rytuba et al. (2008)
Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Clear Lake Oaks ⓘ Sulphur Bank Mine (Sulfur Bank Mine; Sulphur Bank deposits)	[Epsomite] Everhart (1946) +5 other references
Wilbur Springs area ⓘ Abbott Mine (Abbott Quicksilver Mine)	[Epsomite] Johnson et al. (1962) +2 other references
Los Angeles County ⓘ Cahuenga Peak	[Halotrichite] Neuerberg (1951) +4 other references
ⓘ Neuerberg Locality 10	[Halotrichite] Neuerberg (1951)
Palos Verdes Estates ⓘ Malaga Cove	[Epsomite] B.A. Collection
ⓘ Athletic Club Deposit	[Epsomite] B.A. Collection
Palos Verdes Peninsula Palos Verdes Hills ⓘ Bluff Cove	[Epsomite] Sharp (1959) +4 other references
ⓘ Long Point	[Epsomite] Sharp (1959) +2 other references
ⓘ Unnamed Roadcut	[Epsomite] Brighton Alfred
Rancho Palos Verdes ⓘ Point Vicente (Vicente Pointe)	[Epsomite] www.mineralsocal.org (1999)
San Pedro ⓘ Point Fermin	[Epsomite] Sharp (1959) +4 other references
Topanga ⓘ Castella Mare	[Epsomite] Murdoch et al. (1966)
ⓘ Marin County	[Epsomite] Pelletier
Mariposa County Donovan ⓘ Purchase Mine	[Epsomite] Murdoch et al. (1966)
Merced County Stayton Mining District (McLeod Mining District; Panoche Mining District) Antimony Peak ⓘ Stayton Mine (Stayton Quicksilver Mine; Pacific claim of Stayton group)	[Epsomite, Halotrichite] Cooper et al. (1989)
Mono County White Mountains White Mountain Peak ⓘ Champion Mine	[Halotrichite] ...
Napa County East Mayacmas Mining District Aetna Springs ⓘ Oat Hill Mines	[Epsomite] Van Nostrand Reinholt Press: 111 (map 3-7) +3 other references
Knoxville Mining District Knoxville ⓘ Redington Mine (Boston Mine; Knoxville Mine; Excellsior Mine)	[Epsomite] Dana 6: 1096 +6 other references
Orange County ⓘ Laguna Beach	[Epsomite] Specimens found in sandstone cliffs ...
ⓘ Epsomite occurrences ?	[Epsomite] Brighton Alfred Collection.
Riverside County Vivet Eye ⓘ Vivet Eye area nitrate deposits	[Epsomite] Ingalls et al. (1908)
San Benito County Idria (New Idria) ⓘ New Idria Mine (New Idria group; New Hope vein)	[Epsomite] Becker (1888) +2 other references
Idria Peak ⓘ Clear Creek deposits	[Epsomite] www.mineralsocal.org (1999)
Stayton Mining District (McLeod Mining District; Panoche Mining District) Santa Ana Mountain ⓘ Yellow Jacket Mine	[Epsomite, Halotrichite] Cooper et al. (1989)
San Bernardino County Calico Mts (Calico Hills) Calico District (Daggett District; Calico-Daggett area) Calico ⓘ Sulphur Hole (Sulfur Hole; Sulphur pit)	[Halotrichite] part 2 +4 other references
Clark Mts (Clark Mountain Range) Clark Mountain District (Clark District) Mohawk Hill ⓘ Mohawk Mine	[Epsomite] Wise (1993)
Owlshead Mountains Owl Hole Springs ⓘ Unnamed Epsomite deposit [1]	[Epsomite] Engineering & Science Monthly +2 other references
Quail Mountains Brown Mountain ⓘ American Magnesium Company Mine	[Epsomite] Engr. & Sci. Monthly +6 other references
ⓘ Epsom Salts Mine	[Epsomite] - (2005)
Silver Lake Mining District Soda Mountains Zzyzx ⓘ Blue Bell Mine	[Halotrichite] Thorne (n.d.)
San Diego County Lakeside ⓘ El Capitan Quarry	[Halotrichite] SDSU Geology Department unpublished ...
San Francisco County San Francisco ⓘ San Francisco North 7.5 quadrangle	[Epsomite] Schlocker (1974) +2 other references
San Luis Obispo County Santa Lucia Mts (Santa Lucia Range) Adelaide Mining District (Adelaide Klau Mining District) Adelaida Klau Mine group ⓘ Klau Mine (Sierra Morena Mine; Karl Mine; Santa Cruz Mine; Sunderland Mine; Carson Mine)	[Epsomite] Woodhouse et al. (1957) +1 other reference
Santa Barbara County Carpinteria ⓘ Rincon Point	[Epsomite] Ford (1890) +2 other references
ⓘ Hope Ranch [2]	[Halotrichite] Kampf et al. (2024)
New Cuyama Alamo Canyon ⓘ Unnamed small spring	[Epsomite] Murata (1977) +2 other references
Santa Clara County New Almaden Mining District New Almaden ⓘ New Almaden Mine (New Almaden Mines)	[Epsomite] Bailey (1964) +1 other reference
ⓘ Santa Cruz County	[Epsomite] Cooper et al. (1986)
Santa Cruz ⓘ Pacific Cement and Aggregate Company quarry	[Epsomite] Gross et al. (1967) +3 other references
Shasta County Klamath Mountains ⓘ Shasta Mining District	[Epsomite] Livingston et al. (2005, December)
West Shasta Copper - Zinc Mining District Iron Mountain [town] Iron Mountain ⓘ Iron Mountain Mine (Number 8; Confidence; Old Mine)	[Halotrichite] Nordstrom et al. (1999) +1 other reference
Lassen Volcanic National Park ⓘ Lassen Peak	[Halotrichite] …Volcano Letter o. 293: 1-3 1930: 118 +4 other references
Solano County Vallejo Sulfur Springs Mountain ⓘ St. Johns Mine (St. John Mine; Vallejo Mine; St. Johns Quicksilver Mine)	[Epsomite] Pemberton (1983) +1 other reference
Sonoma County West Mayacmas Mining District ⓘ The Geysers	[Epsomite, Halotrichite] Goldsmith (1877) +5 other references
ⓘ Geyser Canyon (Geyser Creek Canyon)	[Epsomite] Goldsmith (1877) +2 other references
Trinity County Island Mountain Moose Peak ⓘ Island Mountain Mine (Dahrman group; Island Mountain Consolidated Mine; Annex; Leach; Merritt Gore; Shotgun)	[Halotrichite] Pemberton (1983) +1 other reference
Colorado Boulder County ⓘ Marshall	[Halotrichite] Eckel et al. (1997)
ⓘ White Rock	[Halotrichite] Eckel et al. (1997)
Clear Creek County Georgetown District Illinois Mine ⓘ Burleigh Mine	[Epsomite] Eckel et al. (1997)
ⓘ Diamond Mine (Diamond Tunnel)	[Epsomite] Eckel et al. (1997)
ⓘ Mendota Mine	[Epsomite] Eckel et al. (1997)
ⓘ Mendota Mine - Victoria Tunnel & Shaft	[Epsomite] Eckel et al. (1997)
Lawson Mining District ⓘ Tigris	[Epsomite] Moench et al. (1966)
Dolores County ⓘ Lone Cone Mining District (Dunton Mining District)	[Halotrichite] Eckel et al. (1997)
ⓘ Emma Mine (Barbara; Normandic; Brooklyn; MS 18498; Sirius; MS 12931; Cynthia; Orion; MS 12953a; Modern Mines)	[Epsomite, Halotrichite] - (2005)
Eagle County Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District) Gilman ⓘ Eagle Mine	[Epsomite, Halotrichite] Eckel et al. (1997)
Gilpin County Central City Mining District (Central Mining District) ⓘ Druid Mine (Drvid Mine)	[Epsomite] Eckel et al. (1997)
ⓘ Topeka Mine	[Epsomite] Eckel et al. (1997)
Jefferson County Foothill Mining District ⓘ US Highway 285 roadcut	[Halotrichite] Eckel et al. (1997)
Ralston Buttes Mining District ⓘ Schwartzwalder Mine (Ralston Creek Mine)	[Epsomite] Eckel et al. (1997)
Lake County Iron Hill ⓘ Tucson Mine	[Epsomite] Loughlin (1918)
ⓘ Leadville Mining District	[Epsomite] Eckel et al. (1997)
Mesa County ⓘ West Salt Creek	[Epsomite] Eckel et al. (1997)
Mineral County Creede Mining District ⓘ Emperius Mine	[Halotrichite] Eckel et al. (1997)
Otero County ⓘ Fowler	[Halotrichite] Eckel et al. (1997)
Ouray County ⓘ Brown Mountain	[Halotrichite] Eckel et al. (1997)
Gray Copper Gulch ⓘ Indiana Mine	[Halotrichite] Eckel et al. (1997)
Park County ⓘ Montezuma Mining District	[Epsomite] Eckel et al. (1997)
Pitkin County Columbia Mining District (Ashcroft Mining District) ⓘ Unnamed iron deposit	[Halotrichite] Eckel et al. (1997)
Rio Grande County Summitville Summitville Mine ⓘ Cropsey Wall	[Epsomite] Eckel et al. (1997)
Saguache County Bonanza Mining District (Kerber Creek Mining District; Blake Mining District) ⓘ Bonanza Mine (Cornucopia Claims; Bonanza No. 1)	[Epsomite] Eckel et al. (1997)
Slick Rock Mining District ⓘ Veta Mad Mine	[Halotrichite] In the collection of Alex Earl
Summit County ⓘ Montezuma Mining District (Snake River Mining District)	[Epsomite] Eckel et al. (1997)
Teller County ⓘ Cripple Creek Mining District	[Epsomite] Carnein et al. (2005)
Cripple Creek ⓘ Portland Mine (Portland No. 1)	[Epsomite] Carnein et al. (2005)
Weld County ⓘ Lafayette	[Epsomite] Eckel et al. (1997)
ⓘ Unnamed coal mine	[Epsomite] Zielinski et al. (2001)
Connecticut Fairfield County Trumbull Long Hill ⓘ Old Mine Plaza construction site ?	[Epsomite] Jeremy Zolan
Litchfield County Harwinton ⓘ Pegmatite quarry and ultramafic rock ?	[Halotrichite] Yale Peabody Museum collection
Middlesex County Portland Collins Hill Strickland pegmatite ⓘ Strickland Quarry	[Epsomite] Ralph Lieser of Pappy’s Beryl Shop +2 other references
ⓘ Death Valley National Park	[Halotrichite] David Eicher photo
Georgia Haralson County Draketown District ⓘ Tallapoosa Mine (Waldrop Mine)	[Epsomite] Rocks & min.: 64:197.
Rabun County ⓘ Rabun Gap	[Halotrichite] Cook (1978)
Hawaii Hawaii County ⓘ Kilauea Volcano	[Halotrichite] Jesse Crawford specimen
ⓘ Unspecifed lava tubes (lava caves)	[Halotrichite] Hon et al. (2009)
Idaho Lemhi County ⓘ Junction Mining District (Little Eightmile Mining District)	[Epsomite] Ream (1995)
ⓘ Buckhorn Mine	[Epsomite] Ream (2004)
Owyhee County Jump Creek ⓘ Claytonia claim	[Epsomite] Ream (1995)
Illinois Hardin County Cave-In-Rock Mining Sub-District ⓘ Cave-in-Rock	[Epsomite] Goldstein (1997)
ⓘ Victory Mine	[Epsomite] Goldstein (1997)
Indiana Crawford County ⓘ Wyandotte Cave	[Epsomite] Erd et al. (1960)
Floyd County ⓘ New Albany	[Epsomite] Erd et al. (1960)
ⓘ Monroe County	[Epsomite] Erd et al. (1960)
Bloomington ⓘ State Route 37 road cut (5)	[Epsomite] Erd et al. (1960)
Perry County Troy ⓘ Indiana 66 roadcut	[Epsomite] Erd et al. (1960)
Wayne County ⓘ Richmond	[Epsomite] Erd et al. (1960)
Iowa ⓘ Appanoose County	[Halotrichite] Paul J. Horick (1974)
Des Moines County ⓘ Starrs Cave	[Epsomite] Paul J. Horick (1974)
ⓘ Mahaska County	[Halotrichite] Paul J. Horick (1974)
ⓘ Marion County	[Halotrichite] Paul J. Horick (1974)
ⓘ Monroe County	[Halotrichite] Paul J. Horick (1974)
ⓘ Van Buren County	[Halotrichite] Paul J. Horick (1974)
ⓘ Kentucky	[Epsomite] Anderson (1994)
Edmonson County Mammoth Cave National Park ⓘ Mammoth Cave	[Epsomite]
Jefferson County ⓘ Southwestern Jefferson County	[Halotrichite] Goldstein (2006)
Lincoln County ⓘ Black Shales	[Halotrichite] Goldstein (2006)
Halls Gap ⓘ US highway 27 roadcut	[Halotrichite] Goldstein (1997) +1 other reference
Nelson County Bardstown ⓘ KY 245 roadcuts (1)	[Halotrichite] Goldstein (2006)
Oldham County Brownsboro Rogers Group Inc. ⓘ Oldham Crushed Stone	[Epsomite]
Pulaski County ⓘ Black shales	[Halotrichite] Goldstein (2006)
Massachusetts Franklin County Rowe ⓘ Davis Pyrite Mine	[Epsomite] Cerato
Norfolk County ⓘ Braintree	[Halotrichite] Gleba (2008)
ⓘ Quincy	[Halotrichite] Gleba (2008)
Michigan Dickinson County Randville ⓘ Groveland Mine	[Epsomite] Heinrich et al. (2004)
Iron County Iron River Mineral Hills ⓘ Homer-Wauseca Group	[Halotrichite] Morris (1983)
Kent County Wyoming ⓘ Alabastine Mine	[Epsomite] A Field Trip to the Alabastine Gypsum Mine by Kreigh Tomaszewski (Newsletter of the Worcester Mineral Club)
Wayne County Detroit ⓘ Detroit Salt Company Mine (International Salt Company Mine)	[Epsomite] Heinrich et al. (2004)
ⓘ Flat Rock quarry	[Epsomite] Heinrich et al. (2004)
Trenton ⓘ Sibley Quarry	[Epsomite] Rocks & Min.: 58: 108.
Missouri Boone County ⓘ Finger Lakes State Park	[Halotrichite] Sherwood et al. (1998)
Macon County ⓘ Bee-Veer mine	[Halotrichite] Sherwood et al. (1998)
Monroe County ⓘ Paris	[Halotrichite] Sherwood et al. (1998)
ⓘ Randolph County	[Halotrichite] Sherwood et al. (1998)
St. Francois County ⓘ Flat River-Desloge mines	[Epsomite] Sherwood et al. (1998)
Montana Carbon County Pryor Mountains ⓘ Dandy Mine	[Epsomite] Gobla (2012)
ⓘ Marie Mine	[Epsomite] Rocks and Minerals V.74 No.3 p.190
Silver Bow County Butte Mining District (Summit Valley Mining District) ⓘ Berkeley Pit	[Epsomite] Guilbert and Zeihen 1964 +1 other reference
Nebraska Dixon County ⓘ Volcano Hill	[Halotrichite] R.M. Joeckel et al. (2011)
Lancaster County ⓘ Denton	[Halotrichite] Pabian (1971)
Nemaha County Brownville ⓘ Indian Cave Sandstone	[Epsomite, Halotrichite] Robert Matthew Joeckel et al. (2007)
ⓘ Pony Creek Shale	[Halotrichite] Pabian (1971)
Otoe County ⓘ Willard formation	[Halotrichite] Robert Matthew Joeckel et al. (2007)
Pawnee County ⓘ Du Bois	[Halotrichite] Pabian (1971)
ⓘ White Cloud formation	[Halotrichite] Robert Matthew Joeckel et al. (2007)
Saunders County ⓘ Valparaiso	[Halotrichite] Pabian (1971)
Nevada Churchill County Fairview Mining District Fairview Silver mine ⓘ Webber shaft	[Epsomite] Castor et al. (2004)
Clark County Spring Mountains ⓘ Goodsprings Mining District	[Epsomite] Castor et al. (2004)
ⓘ Anchor Mine	[Epsomite] USGS PP 162] +2 other references
Elko County Bootstrap Mining District ⓘ Meikle Mine	[Halotrichite] Barrick Gold Corporation
Esmeralda County ⓘ Coaldale Mining District	[Epsomite] Castor et al. (2004)
Goldfield Mining District ⓘ Combination Mine	[Halotrichite] Castor et al. (2004)
Goldfield ⓘ Red Top Mine	[Halotrichite] Castor et al. (2004)
ⓘ January mine	[Halotrichite] Castor et al. (2004)
ⓘ Sweeney lease	[Halotrichite] Castor et al. (2004)
Eureka County Carlin Trend Maggie Creek Mining Subdistrict ⓘ Gold Quarry Mine	[Halotrichite] Newmont Mining Corporation
ⓘ Goldstrike Mines	[Epsomite] Barrick Gold Corporation
Humboldt County Osgood Mountains Potosi Mining District Adam Peak ⓘ Getchell Mine	[Epsomite] Castor et al. (2004)
ⓘ Summer Camp pit	[Halotrichite] Bowell et al. (2005)
Lander County Bullion Mining District ⓘ Little Gem mine	[Epsomite] Mineral News (1990)
Reese River Mining District ⓘ Apex Mine (Rundberg Mine; Early Day Mine)	[Epsomite] McCollam (2002)
Lincoln County Pioche Mining District ⓘ Caselton mine (No. 2 mine of Consolidated Reduction Co.)	[Epsomite] Whitman (2023)
Nye County Lodi Hills Lodi Mining District Quartz Mountain camp ⓘ San Rafael Mine	[Epsomite] Jensen et al. (2010)
San Antonio Mountains Tonopah Mining District ⓘ West End Mine	[Epsomite] Castor et al. (2004)
Toquima Range Manhattan Mining District Manhattan ⓘ White Caps Mine	[Epsomite] Gibbs (1985)
Pershing County Antelope Mining District ⓘ Majuba Hill Mine	[Epsomite] Jensen (1985)
Tobin and Sonoma Range Mining District ⓘ Big Mike Mine	[Epsomite] Peterson et al. (2006)
Storey County ⓘ Comstock Mining District	[Epsomite, Halotrichite] Palache et al. (1951)
Virginia City ⓘ Comstock Lode	[Epsomite] Milton et al. (1938)
Washoe County ⓘ Peavine Mining District	[Halotrichite] Castor et al. (2004)
White Pine County ⓘ Robinson Mining District	[Epsomite] Castor et al. (2004)
New Hampshire Grafton County Campton ⓘ Beebe River "Gold" mine	[Halotrichite] Mortimer (2007)
Hillsborough County Wilton ⓘ Wilton Crushed Stone Quarry	[Halotrichite] P. Cristofono collection
Rockingham County Newington Great Bay National Wildlife Refuge ⓘ National Refuge borehole (NR1)	[Halotrichite] Nora K. Foley et al. (2006)
New Jersey Sussex County Ogdensburg Sterling Hill ⓘ Sterling Mine	[Epsomite, Halotrichite] Cook (1973) +1 other reference
New Mexico ⓘ Carlsbad Potash District	[Epsomite] Palache et al. (1951) +1 other reference
Cibola County ⓘ El Malpais National Monument	[Epsomite] Rogers (1991, August)
Eddy County ⓘ Carlsbad Caverns National Park	[Epsomite] Northrop et al. (1996)
ⓘ Carlsbad Caverns (Carlsbad Cavern)	[Epsomite] Northrop et al. (1996)
Grant County ⓘ Alum Mountain Mining District (Alum Mining District)	[Halotrichite] Northrop et al. (1996) +1 other reference
ⓘ Alunogen No. 2 Tunnel	[Halotrichite] USGS Bull 1451
McKinley County ⓘ Becenti Mine	[Halotrichite] NEW MEXICO GEOLOGY November 2004
ⓘ Homestake Mine	[Epsomite] McCollam (2002)
Rio Arriba County ⓘ Abiquiu District	[Halotrichite] Northrop et al. (1996)
San Juan County ⓘ Chaco Culture National Historical Park	[Epsomite] Northrop et al. (1996)
Santa Fe County ⓘ La Bajada Mining District	[Halotrichite] Northrop et al. (1996)
Sierra County ⓘ Hermosa Mining District	[Epsomite] Henry L. Jicha (1954) +1 other reference
Socorro County Magdalena Mining District ⓘ Kelly Mine	[Epsomite] Patrick Haynes collection
Taos County Cabresto Creek ⓘ Cabresto Lake prospect	[Halotrichite] New Mexico Bureau of Geology Mineral ...
Torrance County ⓘ Estancia Salt Mining District	[Epsomite] Northrop et al. (1996)
New York ⓘ Albany County	[Epsomite] NY State Museum spec. no. 748.2
ⓘ New York City	[Epsomite] John H. Betts (2009)
Tompkins County ⓘ Portland Point	[Epsomite] Jensen (1978) +1 other reference
ⓘ North Carolina	[Halotrichite]
Swain County ⓘ Great Smoky Mountains	[Halotrichite] Coskren et al. (2000)
ⓘ Road to Nowhere (Lakeview Drive)	[Epsomite, Halotrichite] Environmental Geology: 47. +1 other reference
Ohio Franklin County Columbus ⓘ Bill Moose Run	[Epsomite] King (n.d.)
ⓘ Glen Echo Ravine ?	[Epsomite] Ernest H. Carlson. Jerret Whitford. ...
Huron County Huron River ⓘ Huron Shale burn site	[Halotrichite] Richards et al. (2017)
Monroeville West Branch Huron River ⓘ Blue Bridge	[Epsomite, Halotrichite] gsa.confex.com (2002)
Ross County Paxton Township ⓘ Copperas Mountain	[Halotrichite] Carlson (2015)
Summit County North Akron ⓘ Cuyahoga River	[Epsomite] Carlson (2015)
Vinton County Brown township Sandy Run ⓘ Abandoned coal strip mines	[Halotrichite] Carlson (2015)
Oregon Jefferson County Horse Heaven Mining District ⓘ Horse Creek prospects	[Epsomite] - (2005)
Lake County Lakeview ⓘ White King Mine	[Halotrichite] Rod Martin Collection
Pennsylvania Centre County State College Skytop ⓘ Interstate 99 Skytop roadcut	[Epsomite, Halotrichite] Gold (2006, October)
Montgomery County Lower Merion Township Gladwyne ⓘ Rose's Quarry	[Epsomite] Dana 6: 1069.
Pencoyd (West Manayunk) ⓘ Rock Hill Road	[Halotrichite] Samuel S. Gordon +1 other reference
Northumberland County ⓘ Burnside	[Epsomite] Lapham et al. (1980)
Philadelphia County Philadelphia ⓘ Fairmount Park	[Epsomite, Halotrichite] Gordon (1922)
East Falls ⓘ Ridge Avenue and School Lane Quarries	[Halotrichite] Gordon
ⓘ Falls of Schuylkill	[Epsomite, Halotrichite] Gordon (1922)
ⓘ Wissahickon Valley	[Halotrichite] Gordon (1922)
Union County Winfield ⓘ Faylor-Middle Creek Quarry	[Halotrichite] Lapham et al. (1976)
ⓘ Westmoreland County	[Epsomite] Gordon (1922)
York County East Manchester Township Emigsville ⓘ Codorus Stone & Supply Co. Quarry	[Epsomite] www.jonesgeo.com (2011)
South Dakota Lawrence County Lead Mining District Lead ⓘ Homestake Mine	[Epsomite] Smith et al. (2000)
Pennington County Keystone Gold Mining District ⓘ Nathaniel Pope	[Epsomite] - (2005)
Mystic ⓘ Burlington Railroad tunnel	[Halotrichite] Roberts et al. (1965)
Tennessee Monroe County Tellico Plains ⓘ Unnamed sulphate locality	[Halotrichite] Paris (2011)
Sevier County ⓘ Alum Cave Bluff	[Epsomite, Halotrichite] Flohr et al. (1995) +1 other reference
Texas El Paso County El Paso Franklin Mountains (Franklin Range) ⓘ Tom Mays Park Copper deposit	[Halotrichite] Smith (1991)
ⓘ Terlingua Mining District	[Epsomite] Origlieri (1990) +1 other reference
ⓘ Tri-State Mining District	[Epsomite] Rocks & Min. +1 other reference
ⓘ Picher Field	[Epsomite] ...
Utah Beaver County San Francisco Mining District ⓘ Frisco Contact Mine	[Epsomite] Bullock (1981)
Sulphurdale Mining District ⓘ Sulphurdale	[Epsomite] Bullock (1981)
Emery County Calf Mesa Mining District ⓘ Dexter group	[Halotrichite] Bullock (1981)
ⓘ Dexter No. 7 Mine	[Halotrichite] Rosenzweig et al. (1955) +1 other reference
ⓘ Castle Gate	[Epsomite] Bullock (1981)
ⓘ Castle Valley	[Epsomite] Bullock (1981)
ⓘ San Rafael River Mining District	[Halotrichite] Young et al. (1960)
ⓘ Temple Mountain Mining District	[Halotrichite] DANA R. KELLEY AND PAUL F. KERR (1958)
ⓘ North Mesa Mine Group	[Halotrichite] EDS analyzed by Joy Desor. +1 other reference
ⓘ North Mesa 10 Mine	[Halotrichite] Collected by and in the collection of ...
ⓘ North Mesa Mine	[Halotrichite] Collected by and in the collection of ...
Garfield County Escalante Mountains Coyote Creek Mining District (Antimony Mining District) ⓘ Hampton Mine	[Epsomite] Bullock (1981)
Juab County East Tintic Mountains ⓘ Tintic Mining District	[Epsomite] Bullock (1981)
Kane County ⓘ Kaibab fault	[Epsomite] Palache et al. (1951)
Piute County Marysvale Mining District ⓘ Freedom No. 2 Mine	[Halotrichite] Excalibur Mineral Co. microprobe ... +1 other reference
Salt Lake County Bingham Mining District Bingham Canyon ⓘ Bingham Canyon Mine	[Epsomite] North (2010)
San Juan County Red Canyon Mining District ⓘ Blue Lizard Mine	[Epsomite, Halotrichite] Joe Marty (2015)
ⓘ Giveway-Simplot Mine	[Halotrichite] Travis Olds collection
ⓘ Joe Bishop Mine	[Halotrichite] Patrick Haynes. IDs by the late Howard ...
ⓘ Markey Mine	[Halotrichite]
ⓘ Posey Mine	[Halotrichite] Min News 5:10 p1-5 +1 other reference
White Canyon Mining District ⓘ Happy Jack Mine (Blue Dike Mine)	[Epsomite, Halotrichite]
Sanpete County ⓘ Manti	[Epsomite] Palache et al. (1951) +1 other reference
Uintah County ⓘ Uteland Knoll Mining District (Ouray Mining District)	[Halotrichite] Bullock (1981)
ⓘ Ouray	[Halotrichite] Contributions to Economic Geology
Utah County East Tintic Mining District Dividend Tintic Standard Mine ⓘ Tintic Standard No. 2 Shaft	[Halotrichite] Bullock (1981)
East Tintic Mountains ⓘ East Tintic Mining District	[Epsomite] Bullock (1981)
Vermont Orange County Strafford South Strafford ⓘ Elizabeth Mine	[Halotrichite] ... +1 other reference
Windham County Westminster ⓘ Quarry Road quarry	[Halotrichite] Robinson (1996)
Virginia Albemarle County ⓘ Old Dominion	[Epsomite] Dietrich (1990)
ⓘ Bath County	[Epsomite] Dietrich (1990)
Botetourt County ⓘ Lone Star Cement Company (Tarmac; Roanoke Cement)	[Epsomite] Dietrich (1990)
ⓘ Peary Salt Peter Cave (Perry Saltpeter Cave)	[Epsomite] Dietrich (1990)
Carroll County Southern Section-Blue Ridge Province ⓘ Gossan Lead Mining District	[Halotrichite] Dietrich (1990)
Louisa County Gold-Pyrite Belt Mineral ⓘ Arminius Mine	[Epsomite] Dietrich (1990)
ⓘ Sulphur Mine (Crenshaw Mine; Victoria Furnace Mine)	[Halotrichite] Dietrich (1990)
Page County Hamburg ⓘ Woodward Quarry (MRDS - 10154786)	[Epsomite] Dietrich (1990)
Rockbridge County Glasgow ⓘ Lone Jack Quarry	[Epsomite] Dietrich (1985)
Wise County Big Stone Gap ⓘ Roadcut	[Halotrichite] Dietrich (1990)
ⓘ Roadcut (2)	[Halotrichite] Dietrich (1990)
ⓘ Unnamed coal mines	[Halotrichite] Dietrich (1990)
Washington Chelan County Entiat Mining District ⓘ Dick Nickel Mine	[Epsomite] Gabe Cangelosi Collection
Railroad Creek Mining District ⓘ Holden Mine	[Halotrichite] Kilburn et al. (1996)
ⓘ Okanogan County	[Epsomite] www.dnr.wa.gov/geology/okanogan.htm.
Oroville Mining District ⓘ Bitter Lake	[Epsomite] Cannon (1975)
ⓘ Kruger Mountain	[Epsomite] USGS Bull 717 +1 other reference
Wannacut Lake Mining District ⓘ Poison Lake	[Epsomite] Cannon (1975)
ⓘ Wannacut Lake	[Epsomite] Valentine et al. (1956) +1 other reference
Wisconsin ⓘ Lafayette County	[Epsomite] Rocks & Min. Vol. 73 (1998)
ⓘ Calamine-Truman-Darlington area	[Epsomite] Cordua (1998)
Rusk County Ladysmith ⓘ Flambeau Mine	[Halotrichite] wgnhs.uwex.edu (n.d.)
Wyoming Albany County ⓘ Middle Downey Lake Prospect	[Epsomite] Osterwald (1952)
ⓘ North Downey Lake Prospect	[Epsomite] Osterwald (1952)
ⓘ South Downey Lake Prospect	[Epsomite] Osterwald (1952)
ⓘ Union Pacific Lakes - Gibbs Pond (Big; Track; & Red Lakes - Soda Lakes)	[Epsomite] Osterwald (1952)
ⓘ Wilcox Station	[Epsomite] Farrington (1900) +1 other reference

Uzbekistan
Ferghana Region Uzbekistan District ⓘ Shorsu deposit (Shor-Su deposit)	[Epsomite, Halotrichite] Uklonskiy et al. (1964) +2 other references
Karakalpakstan Lower Amu Darya River (Amydar'ya) ⓘ Kushkanatau salt deposit	[Epsomite] Slyusareva (1964)

Venezuela
Miranda ⓘ Cueva Cantera Sur de Baruta	[Epsomite] Urbani (1996)
ⓘ Unspecified Caves	[Epsomite] Franco Urbani (2009)

Europa	[Epsomite]


Mars
Terra Meridiani Meridiani Planum Endeavour Crater Murray Ridge ⓘ Pinnacle Island ?	[Epsomite] Farrand et al. (2016)

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