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Dickite

A valid IMA mineral species - grandfathered
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About DickiteHide

00129510017271922572657.jpg
Allan B. Dick
Formula:
Al2(Si2O5)(OH)4
Colour:
White, or tinted by impurities
Hardness:
2 - 2½
Specific Gravity:
2.60
Crystal System:
Monoclinic
Name:
Named after Allan Brugh Dick (31 May 1833, Edinburgh, Scotland - 12 June 1926, Hampstead, London, UK), Scottish metallurgical chemist, who first described the species.
Kaolinite-Serpentine Group.

A secondary mineral usually of hydrothermal origin in conjunction with veins, derived in part from the alteration of aluminosilicate minerals; also occurs as an authigenic sedimentary phase.

de Ligny and Navrotsky (1999) showed that kaolinite is the thermodynamically stable phase and the polymorphs dickite, halloysite and nacrite are metastable phases mainly crystallising due to kinetic reasons.


Unique IdentifiersHide

Mindat ID:
1287
Long-form identifier:
mindat:1:1:1287:0

Similar NamesHide

DakeiteA synonym of Schröckingerite
Deeckeite(H,K,Na)2(Mg,Ca)(Al,Fe)2Si10O25 · 9H2O
DukeiteA valid IMA mineral speciesBi243+Cr86+O57(OH)6 · 3H2O

IMA Classification of DickiteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Al2Si2O5(OH)4
First published:
1930

Classification of DickiteHide

9.ED.05

9 : SILICATES (Germanates)
E : Phyllosilicates
D : Phyllosilicates with kaolinite layers composed of tetrahedral and octahedral nets
Dana 7th ed.:
71.1.1.1
71.1.1.1

71 : PHYLLOSILICATES Sheets of Six-Membered Rings
1 : Sheets of 6-membered rings with 1:1 layers
15.6

15 : Silicates of Aluminum

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference for Standard
DckIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
DckWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
DckThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download
DckWarr (2020)Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of DickiteHide

Transparency:
Transparent
Comment:
Lustre satiny.
Colour:
White, or tinted by impurities
Hardness:
2 - 2½ on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
On {001}, perfect.
Density:
2.60 g/cm3 (Measured)    2.62 g/cm3 (Calculated)

Optical Data of DickiteHide

Type:
Biaxial (+)
RI values:
nα = 1.5608 - 1.564 nβ = 1.561 - 1.566 nγ = 1.566 - 1.570
2V:
Measured: 50° to 80°, Calculated: 72° to 80°
Max. Birefringence:
δ = 0.005 - 0.006
Based on recorded range of RI values above.

Interference Colours:
The colours simulate birefringence patterns seen in thin section under crossed polars. They do not take into account mineral colouration or opacity.

Michel-Levy Bar The default colours simulate the birefringence range for a 30 µm thin-section thickness. Adjust the slider to simulate a different thickness.

Grain Simulation You can rotate the grain simulation to show how this range might look as you rotated a sample under crossed polars. Each grain retains its interference colour (retardation) while its brightness falls to black at extinction and reaches a maximum between extinction positions.

Surface Relief:
Low (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).

This shows the grain boundary and Becke line effect under plane-polarised light, based on the contrast between this mineral's average refractive index and the mounting medium. It does not take into account mineral colouration.
In focus
Interference Figure:
This shows the idealized biaxial acute bisectrix (Bxa) interference figure - the conoscopic view for a grain cut perpendicular to the acute bisectrix, using this mineral's 2V. The two small white dots mark the melatopes - the points where the two optic axes emerge - and are shown only when they fall within the field of view. The coloured bands are isochromatics, and the dark bands are isogyres.

Rotate the stage: at 0°/90° the isogyres form a cross through the melatopes; at 45° they pull apart into curved hyperbolas. That splitting on rotation - absent in a uniaxial figure - is the standard diagnostic test for telling biaxial minerals from uniaxial ones. If 2V is large, the melatopes may fall outside the field of view, as they often do at the microscope too.
Dispersion:
none

Chemistry of DickiteHide

Mindat Formula:
Al2(Si2O5)(OH)4
Element Weights:
Element% weight
O55.777 %
Si21.758 %
Al20.903 %
H1.562 %

Calculated from ideal end-member formula.
O
Si
Al
H
Common Impurities:
Ti,Fe,Mg,Ca,Na,K

Crystallography of DickiteHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bb
Cell Parameters:
a = 5.150 Å, b = 8.940 Å, c = 14.424 Å
β = 96.8°
Ratio:
a:b:c = 0.576 : 1 : 1.613
Unit Cell V:
659.42 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals pseudohexagonal, elongated [100] at times. As aggregates of platelets resembling books. Masses of microscopic crystals.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0014797DickiteJoswig W, Drits V A (1986) The orientation of the hydroxyl groups in dickite by X-ray diffraction Neues Jahrbuch fur Mineralogie, Monatshefte 1986 19-221986Kilantyubinsk mine, USSR0293
0012236DickiteBish D L, Johnston C T (1993) Rietveld refinement and Fourier-transform infrared spectroscopic study of the dickite structure at low temperature Clays and Clay Minerals 41 297-3041993St. Claire, Pennsylvania, USA012
0003170DickiteDera P, Prewitt C T, Japel S, Bish D L, Johnston C T (2003) Pressure-controlled polytypism in hydrous layered materials American Mineralogist 88 1428-143520030293
0000126DickiteBailey S W (1963) Polymorphism of the kaolin minerals American Mineralogist 48 1196-120919630293
0003171DickiteDera P, Prewitt C T, Japel S, Bish D L, Johnston C T (2003) Pressure-controlled polytypism in hydrous layered materials American Mineralogist 88 1428-143520034.1293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.15 Å(100)
4.12 Å(70)
3.80 Å(60)
3.58 Å(100)
2.51 Å(50)
2.33 Å(90)
1.975 Å(50)
1.49 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere>4.45
16 : Low-? aqueous alteration of Hadean subaerial lithologies (see also #23)
Near-surface Processes
28 : Photo-alteration, pre-biotic
Stage 5: Initiation of plate tectonics<3.5-2.5
40 : Regional metamorphism (greenschist, amphibolite, granulite facies)
Geological Setting:
Usually of hydrothermal origin in conjunction with veins, derived in part from the alteration of aluminosilicate minerals; also occurs as an authigenic sedimentary phase.

Type Occurrence of DickiteHide

Place of Conservation of Type Material:
No designated type materil.

Synonyms of DickiteHide

Pholerite (in part)

Other Language Names for DickiteHide

Dutch:Dickiet
German:Dickit
Italian:Dickite
Polish:Dickit
Russian:Диккит
Simplified Chinese:迪开石
地开石
迪凯石
Spanish:Dickita
Traditional Chinese:迪開石
地開石
迪凱石

Varieties of DickiteHide

Changhua StoneA dense yellow variety of dickite, which is used for carving. It usually contains small amounts of alunite as an impurity.
Gaoshan StoneA dense variety of dickite with red spots of hematite, which is used for carving. It also contains quartz and pyrophyllite as minor impurities. The Chinese consider this material as a variety of Shoushan stone, although true Shoushan stone mainly consists...
Heijin seal stonesulfur-rich, dickite-dominant jade

Two-stage genetic model for the evolution of “Heijin” stone: Stage I (Sulfide Precipitation): During the initial phase of volcanic exhalation, magmatic fluids enriched in H2S and SO2 created an acidic-reducing envir...
Yellow Seal StoneA yellow stone from northern Laos that is used in carving.
The main composition of the yellow seal stones from northern Laos is dickite. The impurity composition includes hematite, anatase, barite, diaspore and pyrite. The mineral composition indicates th...

Relationship of Dickite to other SpeciesHide

Other Members of Kaolinite Subgroup:
HalloysiteAl2Si2O5(OH)4 · n(H2O)Mon. m : Bb
NacriteAl2(Si2O5)(OH)4Mon. m : Bb

Common AssociatesHide

Associations Based on Photo Data:
91 photos of Dickite associated with AzuriteCu3(CO3)2(OH)2
68 photos of Dickite associated with QuartzSiO2
41 photos of Dickite associated with PyriteFeS2
38 photos of Dickite associated with DolomiteCaMg(CO3)2
37 photos of Dickite associated with CalciteCaCO3
21 photos of Dickite associated with ChalcopyriteCuFeS2
20 photos of Dickite associated with MalachiteCu2(CO3)(OH)2
16 photos of Dickite associated with SideriteFeCO3
16 photos of Dickite associated with ChalcociteCu2S
16 photos of Dickite associated with FluoriteCaF2

Related Minerals - Strunz-mindat GroupingHide

9.ED.'Clinochrysotile'Mg3(Si2O5)(OH)4Mon. 2/m
9.ED.05NacriteAl2(Si2O5)(OH)4Mon. m : Bb
9.ED.05KaoliniteAl2(Si2O5)(OH)4Tric. 1 : P1
9.ED.05Odinite(Fe,Mg,Al,Fe,Ti,Mn)2.4((Si,Al)2O5)(OH)4Mon. m : Bm
9.ED.10HalloysiteAl2Si2O5(OH)4 · n(H2O)Mon. m : Bb
9.ED.10HisingeriteFe3+2(Si2O5)(OH)4 · 2H2OMon.
9.ED.10'Hydrohalloysite'Al2Si2O5(OH)4 · 2H2OMon. m
9.ED.15AntigoriteMg3(Si2O5)(OH)4Mon. m : Bm
9.ED.15Brindleyite(Ni,Al)3(Si,Al)2O5(OH)4Mon.
9.ED.15Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4Mon.
9.ED.15NépouiteNi3Si2O5(OH)4Orth.
9.ED.15PecoraiteNi3(Si2O5)(OH)4Mon.
9.ED.15GuidottiiteMn2Fe3+(Fe3+SiO5)(OH)4Hex. 6 : P63
9.ED.15LizarditeMg3(Si2O5)(OH)4Trig. 3m : P31m
9.ED.15Berthierine(Fe2+,Fe3+,Al)3(Si,Al)2O5(OH)4Mon. m : Bm
9.ED.15KellyiteMn2+2Al(AlSiO5)(OH)4Hex. 6 : P63
9.ED.15CronstedtiteFe2+2Fe3+((Si,Fe3+)2O5)(OH)4Trig. 3m : P31m
9.ED.15CaryopiliteMn2+3Si2O5(OH)4Mon.
9.ED.15AmesiteMg2Al(AlSiO5)(OH)4Tric. 1 : P1
9.ED.15Greenalite(Fe2+,Fe3+)2-3Si2O5(OH)4Mon.
9.ED.15ManandoniteLi2Al4(Si2AlB)O10(OH)8Orth. 222 : C2221
9.ED.20ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1Orth.
9.ED.20Neotocite(Mn,Fe)SiO3 · H2O (?)Amor.
9.ED.20Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2OAmor.
9.ED.20ImogoliteAl2SiO3(OH)4
9.ED.25BismutoferriteFe3+2Bi(SiO4)2(OH)Mon. m : Bm
9.ED.25ChapmaniteFe3+2Sb3+(Si2O5)O3(OH)Mon. m : Bm
9.ED.30'Pianlinite'Al2Si2O6(OH)2Orth.

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.

Dickite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for DickiteHide

References for DickiteHide

Reference List:

Localities for DickiteHide

Showing 935 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.
Afghanistan
 
  • Daykundi
    • Ishtarlay District
Orris et al. (2002)
  • Ghor
    • Pasaband District
Orris et al. (2002)
    • Taywara District
Orris et al. (2002)
Orris et al. (2002)
Algeria
 
  • Tébessa Province
    • El Aouïnet District
      • El Aouinet
Singer et al. (2009)
Arctic Ocean
 
  • Kolbeinsey Ridge
    • North Kolbeinsey Ridge
Marques et al. (2020)
Argentina
 
  • Catamarca Province
    • Andalgalá Department
      • Andalgalá
Singer et al. (2008)
Proffett (2003) +1 other reference
        • Capillitas mining district
PUTZ +1 other reference
PUTZ +1 other reference
  • Chubut Province
    • Río Senguer Department
      • Alto Río Senguer
        • Aldea Apeleg
Padrón de Minas de la Provincia de Chubut (2005)
MAIZA +2 other references
  • Jujuy Province
    • Rinconada Department
      • Mina Pirquitas
        • Pirquitas Mine
Slater (2016)
  • Neuquén Province
    • Huiliches department
      • Chiquilihuín
MAIZA +2 other references
  • Río Negro Province
    • Veinticinco de Mayo Department
Grecco et al. (2012)
      • Los Menucos
MAIZA +2 other references
      • San Antonio del Cuy
MAIZA +2 other references
  • San Juan Province
    • Calingasta Department
      • Altar deposit
Zwahlen et al. (2014)
    • Iglesia Department
Perelló et al. (2023)
Sillitoe et al. (2019)
  • San Luis Province
    • Coronel Pringles Department
      • Carolina
Gallard-Esquivel et al. (2018)
  • Santa Cruz Province
    • Deseado Department
      • Tres Cerros
Jovic et al. (2011)
    • Lago Buenos Aires Department
Vidal et al. (2016)
      • Sascha Project
Smith (2009)
Armenia
 
  • Kotayk Province
    • Hrazdan
      • Megradzor
Kolpakova et al. (2001)
  • Lori Province
    • Akhtala
Moritz et al. (2016)
Moritz et al. (2016)
  • Syunik Province
    • Kajaran
      • Kajaran
Singer et al. (2008)
    • Kapan
Moritz et al. (2016) +1 other reference
      • Kapan
Moritz et al. (2016) +1 other reference
Moritz et al. (2016)
Australia
 
  • New South Wales
    • Bathurst Co.
Downes et al. (2004)
R. Bottrill
    • Bligh Co.
Ashley et al. (1997)
    • Buller Co.
      • Drake district
Quan et al. (2025)
Quan et al. (2025)
    • Drake Co.
      • Drake
Quan et al. (2025)
Quan et al. (2025)
    • Gough Co.
      • Dundee
Ashley et al. (2004)
    • Raleigh Co.
      • Taylors Arm District
        • Point Lookout Trig Station
Gilligan et al. (1992)
        • Thumb Creek
Gilligan et al. (1992)
  • Queensland
    • Etheridge Shire
      • Georgetown
Hurtig et al. (2014)
    • Mareeba Shire
Nethery et al. (1998)
Harris et al. (2003)
    • Whitsunday Region
      • Mount Carlton district
Corral et al. (2019)
- (n.d.) +1 other reference
Corral et al. (2019)
Corral et al. (2019)
Sahlström et al. (2016) +2 other references
Corral et al. (2019)
Corral et al. (2019)
Corral et al. (2019)
  • South Australia
    • Pastoral Unincorporated Area
Gordon et al. (2014)
      • Iron Knob
Francis (2010)
Nicolson et al. (2017)
Hong et al. (2023)
      • Oakden Hills
Noble et al. (1983) +1 other reference
      • Pernatty
        • Pernatty Lagoon
Sorrell (n.d.)
  • Tasmania
    • Waratah-Wynyard municipality
      • Heazlewood district
        • Luina
Bottrill et al. (2008)
      • Waratah district
        • Waratah-Mt Bischoff
Bottrill (2018)
Sorrell (n.d.)
    • West Coast municipality
      • Queenstown district
        • Queenstown
          • Mount Lyell Mines
Bottrill et al. (2008)
      • Tyndall Valley
Bottrill et al. (2010)
  • Victoria
    • Pyrenees Shire
      • Amphitheatre
    • South Gippsland Shire
      • Hoddle Range
        • Fish Creek
Austria
 
  • Carinthia
    • Hermagor District
      • Sankt Stefan im Gailtal
Niedermayr et al. (1995)
    • Spittal an der Drau District
      • Dellach im Drautal
Pichler (2009)
      • Steinfeld
        • Rottenstein valley
Pichler (2009)
      • Trebesing
        • Radlgraben
Puttner (1994)
    • Villach-Land District
      • Finkenstein am Faaker See
        • Mallestiger Mittagskogel
Hiden (1997)
    • Völkermarkt District
      • Eberndorf
        • Kühnsdorf
Niedermayr et al. (1995)
      • Neuhaus
Niedermayr et al. (1995)
Niedermayr et al. (1995)
  • Salzburg
    • Tamsweg District
      • Mauterndorf
A. Strasser (2011)
Brandstätter et al. (2013)
      • Sankt Michael im Lungau
Kolitsch et al. (2014)
    • Zell am See District
      • Mittersill
Strasser (1989)
      • Neukirchen am Großvenediger
        • Leutachkopf - Stocker Alp area
Strasser (1989)
      • Uttendorf
        • Enzingerboden
Happich (1985) +1 other reference
  • Styria
    • Leoben District
      • Sankt Stefan ob Leoben
        • Kaisersberg
Postl (1994)
Leikauf (2006) +1 other reference
    • Murau District
      • Sankt Peter am Kammersberg
        • Pöllau am Greim
www.markasit070752.ws24.cc (n.d.)
      • Teufenbach-Katsch
        • Katsch an der Mur
www.markasit070752.ws24.cc (n.d.)
Azerbaijan
 
  • Tovuz District
Mansurov et al. (2018)
Belgium
 
  • Flanders
    • Limburg
      • Genk
        • Winterslag
Hatert et al. (2002)
        • Zwartberg
Leon Hupperichs collection
  • Wallonia
    • Hainaut
Hatert et al. (2002)
    • Liège
      • Fléron
        • Romsée
Hatert et al. (2002)
      • Huy
        • Ben-Ahin
Hatert et al. (2002)
Hatert et al. (2002)
Hatert et al. (2002)
Hatert et al. (2002)
      • Saint-Nicolas
        • Montegnée
Hatert et al. (2002)
Hatert et al. (2002)
    • Luxembourg
      • Nassogne
Blondieau et al. (2017)
Michel Bloindieau
        • Bihain
Fransolet et al. (1978) +2 other references
        • Cahay
José Dehove collection.
        • Salmchâteau
Blondieau (2005)
    • Namur
      • Andenne
        • Namêche
Etienne Mans collection.
      • Namur
Blondieau et al. (2012)
Bolivia
 
  • Cochabamba
    • Ayopaya Province
Kempff et al. (La Paz, 2009)
  • La Paz
    • Inquisivi Province
      • Colquiri
Alfonso et al. (2025)
    • Omasuyos Province
      • Ancoraimes Municipality
Kempff et al. (La Paz, 2009)
  • Oruro
    • Cercado Province
      • Oruro
Wilson (2001)
    • Pantaleón Dalence Province
      • Huanuni
アルセオスバルト (1989) +1 other reference
      • Santa Fé mining district
Jiménez-Franco et al. (2018) +1 other reference
Jiménez-Franco et al. (2018)
  • Potosí
    • Antonio Quijarro Province
      • Tomave Municipality
        • Tolapampa
Salomon Rivas y Federico Ahlfeld (1998)
Salomon Rivas y Federico Ahlfeld (1998)
Dill (1998)
    • Cornelio Saavedra Province
      • Tacobamba Municipality
        • Colavi subdistrict
PXRD by John Attard
    • Nor Chichas Province
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
      • Toropalca district
Federico Ahlfeld and Alejandro Schneider-Scherbina (1964)
    • Rafael Bustillo Province
      • Amayapampa gold belt
Osvaldo R. Arce Burgoa (2007) +1 other reference
    • Sud Chichas Province
      • Atocha Municipality
        • San Vicente mining district
Dr Fritz Berndt collection (not analyzed)
Kempff et al. (La Paz, 2009)
    • Tomás Frías Province
      • Potosí (Potosí Municipality)
Sillitoe et al. (1998)
Brazil
 
  • Amazonas
    • Presidente Figueiredo
      • Pitinga mine
Bastos Neto et al. (2009)
  • Minas Gerais
    • Conselheiro Pena
      • Barra do Cuieté
Atencio et al. (2004)
Bulgaria
 
  • Burgas Province
    • Sozopol Municipality
      • Rosen ore field
Hikov et al. (2011)
  • Pazardzhik Province
    • Panagyurishte Municipality
      • Elshitsa
Moritz et al. (2004)
      • Panagyurishte
Singer et al. (2008) +2 other references
      • Popintsi
Jana Kuncheva et al. (2022) +1 other reference
Hikov (2004) +1 other reference
  • Sofia City Province
    • Stolichna Municipality
      • Bankya
HIKOV et al. (APS) +1 other reference
  • Sofia Province
    • Chelopech Municipality
Georgieva +3 other references
Kalchev et al. (2026)
Canada
 
  • Alberta
    • Wood Buffalo
      • Maybelle River project (Maybelle River shear zone)
Wheatley et al. (2006)
  • British Columbia
    • Cariboo Mining Division
      • Horsefly
        • Quesnel Lake
Peatfield (n.d.)
    • Clinton Mining Division
      • Taseko Lake Area
        • Upper Taseko River (Battlement Creek)
albite alunite andalusite andesine ...
    • Kamloops Mining Division
      • Logan Lake
Singer et al. (2008)
    • Lillooet Mining Division
Singer et al. (2008)
    • Omineca Mining Division
      • Ootsa Lake
Singer et al. (2008)
      • Toodoggone River area
Duuring et al. (2009)
Duuring et al. (2009) +1 other reference
    • Slocan Mining Division
      • Riondel
Grice et al. (1977)
    • Vancouver Island
      • Nanaimo Mining Division
        • Holberg
personal correspondence with Giles Peatfield (see comments in description)
  • New Brunswick
    • Charlotte Co.
      • Saint George Parish
Adex Mining
  • Newfoundland and Labrador
    • Newfoundland
      • Burin Peninsula
Sparkes et al. (2016)
  • Nova Scotia
    • Lunenburg Co.
      • New Ross
O'Reilly et al. (1982)
    • Yarmouth Co.
      • Argyle
        • East Kemptville
Avalon Advanced Materials Inc.
  • Ontario
    • Kenora District
      • Ring of Fire
        • BMA527862 Area
Noront Resources Ltd.
  • Québec
    • Montréal
Tarassoff et al. (2006)
    • Nord-du-Québec
      • Jamésie
Nadeau et al. (2015)
  • Saskatchewan
    • Athabasca Basin
Reid et al. (2016)
Adlakha et al. (2013) +1 other reference
Cloutier et al. (2009)
Knipping (1974)
Boulanger (2012)
gac.esd.mun.ca (n.d.)
Boulogne et al. (2026)
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Sierra Gorda
powder xrd at NMBGMR by Patrick Haynes (volunteer)
    • El Loa Province
      • Calama
        • Chuquicamata District
Ossandón C. et al. (2001)
Virmond et al. (2026)
    • Tocopilla Province
      • María Elena
        • Oficina María Elena
Antofagasta plc
  • Arica y Parinacota
    • Parinacota Province
      • Ticnamar area
Gröpper et al. (1991)
  • Atacama
    • Chañaral Province
      • Diego de Almagro
Oviedo et al. (1991)
      • Potrerillos
Thompson et al. (2004) +1 other reference
Singer et al. (2008)
    • Copiapó Province
      • Tierra Amarilla
Lohmeier et al. (2025)
Lohmeier et al. (2022)
Lohmeier et al. (2025)
    • Huasco Province
      • Alto del Carmen
        • El Morro Project
Singer et al. (2008)
Deyell et al. (2005) +1 other reference
      • Vallenar
        • Productora deposit
Escolme et al. (2020)
  • Coquimbo
    • Elqui Province
      • Andacollo
Teck Resources Limited
      • Vicuña
Deyell et al. (2005)
  • O'Higgins
    • Cachapoal Province
      • Rancagua
        • El Teniente
Singer et al. (2008)
  • Tarapacá
    • Tamarugal Province
      • Pica
Anglo American plc
- (2003)
- (2003) +1 other reference
Singer et al. (2008)
China
 
  • Fujian
    • Fuzhou
      • Jin'an District
        • Shoushan
Leifu Ren (1988)
Zheng et al. (2023)
[var: Gaoshan Stone] Tao Chen et al. (2008)
Zhu Yulin (2000) +1 other reference
      • Minhou County
Zhu Yulin (2000)
    • Longyan
      • Shanghang Co.
        • Zijinshan ore field
Chen et al. (2019)
Duan et al. (2022)
Tianjun Gao and Rensheng Huang (1998)
Tianjun Gao and Rensheng Huang (1998) +1 other reference
Chen et al. (2019) +1 other reference
Tianjun Gao and Rensheng Huang (1998) +2 other references
Wang et al. (2024) +1 other reference
Jinzhang Zhang (2013) +2 other references
Zijin Mining Group Company Limited
      • Wuping Co.
        • Zijinshan ore field
Jinyan Yao (1994)
Jinzhang Zhang (2013)
  • Gansu
    • Gannan
      • Luqu Co.
Jiajun Liu and Minghua Zheng (1994) +2 other references
  • Guangdong
    • Foshan
      • Gaoming District
        • Changkeng-Fuwan Au-Ag deposit
Huaying Liang et al. (2007) +1 other reference
    • Meizhou
      • Fengshun Co.
Jinyan Yao (1994)
    • Qingyuan
      • Lianzhou City (Lian Co.)
Shixian Liu (1983)
    • Shaoguan
      • Lechang Co.
Jianjin Cao (2000)
  • Guangxi
    • Baise
      • Leye Co.
Lin Niu (1994)
      • Pingguo Co.
Xinyu Cao and Tongjiang Tang (1986)
Luo et al. (2026)
    • Nanning
      • Shanglin County
        • Dafeng
Josef Vajdak (2008)
  • Guizhou
    • Liupanshui
      • Liuzhi District
Zou et al. (2022)
    • Qianxinan
      • Anlong County
www.portergeo.com.au (2007)
      • Ceheng County
Peters et al. (2007)
      • Qinglong County
        • Dachang Sb ore field
Yu Chen et al. (1984)
      • Xingren County
        • Huijiabao gold field
Zhang Zhong et al. (1998)
    • Zunyi
      • Bozhou District
Kehua Yin (2009)
  • Henan
    • Jiaozuo
      • Macun District
Shande Zhang (1985)
    • Luoyang
      • Song County
        • Dongwan gold field
Wang et al. (2024)
    • Sanmenxia
      • Mianchi County
Wang et al. (2025)
  • Hubei
    • Huangshi
      • Daye Co.
        • Edong Mining District
Zhu et al. (2024) +1 other reference
  • Hunan
    • Hengyang
      • Changning Co.
Qin et al. (2022)
Chuanyi Yang (1985) +1 other reference
    • Loudi
      • Lengshuijiang Co.
Guangmo Liu and Houming Jian (1983)
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Bairin Right Banner (Balin Youqi)
Liqing Zhao et al. (2002)
      • Linxi County
Zheng et al. (2025)
      • Ningcheng County
Lijun Guo et al. (2002) +2 other references
    • Hulunbuir City (Hulunbei'er Prefecture)
      • Old Barag Banner (Chenba'erhu Co.)
Jidong Guan and Xiaohong Chai (2004) +1 other reference
  • Jiangxi
    • Fuzhou
Dahlkamp (2009) +1 other reference
    • Shangrao
      • Dexing Co.
Singer et al. (2002)
        • Yinshan ore field
Chuanming Li (1986)
      • Yanshan Co. (Qianshan Co.)
Rengui Wu and Dagan Yu (2000)
    • Yingtan
      • Guixi Co.
        • Shengyuan Uranium ore field (Yingtan Uranium ore field)
Dahlkamp (2009)
Dahlkamp (2009)
Wang et al. (2026)
  • Jilin
    • Baishan
      • Changbai County
Zheng Xia and Ningke Zhang (1986)
  • Liaoning
    • Huludao
      • Jianchang County
        • Qinglong Uranium ore field
Dahlkamp (2009)
      • Lianshan District
        • Yangjiazhangzi ore field
Wenwei Lin (1987)
  • Qinghai
    • Yushu Tibetan Autonomous Prefecture
      • Zadoi Co. (Zaduo Co.)
Shihong Tian et al. (2009)
Shihong Tian et al. (2009)
  • Shaanxi
    • Baoji
      • Taibai County
Defeng Hui and Naiwu Zhu (2001) +2 other references
Yuling Xie et al. (2000)
    • Shangluo
      • Shanyang County
Zhou et al. (2025)
      • Zhen'an County
        • Jinlongshan Au ore field
Lizi Chen et al. (2011)
Fuxin Zhang and Jianqin Ma (1999) +1 other reference
Fuxin Zhang and Ping Shen (1996) +1 other reference
  • Shandong
    • Linyi
      • Pingyi County
        • Tongshi complex
Zeng Qingdong et al. (2002)
    • Yantai
      • Zhaoyuan City
        • Linglong Gold camp
Hao et al. (2024)
  • Shanxi
    • Datong
      • Yungang District
        • Kuang District (mining district)
Bingwen Jia and Linshan Hou (1987)
    • Lüliang
      • Xiaoyi City
wrgis.wr.usgs.gov (2004)
wrgis.wr.usgs.gov (2004)
  • Sichuan
    • Ngawa Autonomous Prefecture (Aba Autonomous Prefecture)
      • Zoigê Co. (Ruo'ergai Co.)
Su Sun (1993)
De'an Zhu (1995) +2 other references
De'an Zhu (1995)
  • Tibet
    • Ngari
      • Gê'gyai Co. (Geji Co.)
Wang et al. (2025)
Jin-Xie; Ju-Tang; Zhi-Liu; Qing-Sun; Li-Yu; Chang-Yuan; Xu-Yan; Xiao-Zhao; Qing-Yin; Kang (2026)
      • Gêrzê Co.
        • Duolong ore field
Zheng et al. (2025)
Liu et al. (2024)
WANG et al. (2014) +2 other references
Yang et al. (2022) +1 other reference
    • Qamdo Prefecture (Changdu Prefecture)
      • Jomdo Co. (Jiangda Co.)
Zengqian Hou et al. (2007)
  • Xinjiang
    • Ili Kazakh Autonomous Prefecture
      • Chabucha'er Xibo Co. (Qapqal Xibe Co.; Chapchal Shibe Co.)
Wang et al. (2026)
      • Yining Co.
Bingyu Zhu et al. (2009)
Long Xiao et al. (2002) +1 other reference
  • Yunnan
    • Baoshan
      • Tengchong County
        • Rehai geothermal field
Pin'an Wang (2001)
    • Dehong
      • Mangshi (Mang City)
Zhusen Yang et al. (2000) +1 other reference
    • Pu'er
      • Simao District
Mao et al. (2024)
    • Wenshan
      • Guangnan County
        • Tangshang ore district
Miao et al. (2026)
Miao et al. (2026)
  • Zhejiang
    • Hangzhou
      • Lin'an District
[var: Changhua Stone] Biao Fang et al. (2008)
[var: Heijin seal stone] Yuan et al. (2026)
    • Quzhou
      • Kecheng District
        • Dazhou Uranium ore field (Uranium ore field No. 66)
Jianji Tian et al. (2010)
    • Shaoxing
      • Shangyu Co.
Wenqing Liu et al. (1987)
      • Zhuji Co.
Shen Zhongyue and Ye Ying (1996)
    • Wenzhou
      • Cangnan County
Zhou et al. (2022) +1 other reference
Zhou et al. (2022)
Bao et al. (2026)
Colombia
 
  • Antioquia Department
    • Occidente
      • Buriticá
        • Buriticá Au mine
Lesage et al. (2013)
  • Boyacá Department
    • Western Boyacá Province
      • Quípama
González-Durán et al. (2019)
Czech Republic
 
  • Central Bohemian Region
    • Benešov District
      • Bernartice
Sýkorová et al. (2016)
Litochleb et al. (2000)
Žáček et al. (1995)
Petr Paulis (2003)
Žáček et al. (1992)
    • Kutná Hora District
      • Vlkaneč
Povondra et al. (eds.) +1 other reference
  • Karlovy Vary Region
    • Karlovy Vary District
- (n.d.)
Hloušek et al. (2002)
    • Sokolov District
      • Krásno
Sejkora et al. (2006)
        • Vysoký Kámen
Sejkora et al. (2006)
  • Ústí nad Labem Region
    • Most District
      • Most
Hanus (2017)
    • Teplice District
      • Krupka
Krejčí Kotlánová et al. (2024)
Sejkora (1998)
        • Preiselberg area
Sejkora et al. (2013)
Ecuador
 
  • Azuay Province
    • Cuenca Canton
Schütte et al. (2012)
  • Imbabura Province
Díaz Castro et al. (2025)
  • Loja Province
Singer et al. (2008)
Europe
 
  • Ore Mountains
Jahn (2002)
www.geologija-revija.si (n.d.)
Finland
 
  • Kymenlaakso
    • Kotka
Joel Dyer collection
  • Pirkanmaa
    • Orivesi
      • Eräjärvi area
Joel Dyer collection
France
 
  • Auvergne-Rhône-Alpes
    • Drôme
      • Nyons
• Martin et al. (2004)
    • Isère
      • Grenoble
        • Le Gua
De Ascenção Guedes (2013) +1 other reference
    • Savoie
      • Saint-Jean-de-Maurienne
        • Val-Cenis
          • Sollières-Sardières
De Ascenção Guedes et al. (2012)
  • Brittany
    • Morbihan
      • Vannes
        • Penestin
R. Pierrot
  • French Guiana
    • Constable Islands
de la Paix Izerumugaba et al. (2026)
  • Occitanie
    • Hérault
      • Lodève
        • Le Bosc
          • Saint-Martin
Favreau (n.d.)
        • Lodève
Henriot et al. (1998)
        • Usclas-du-Bosc
Queneau (n.d.)
    • Pyrénées-Orientales
      • Céret
        • Caixas
          • Fontcouverte
BERBAIN et al. (2010)
        • Oms
Berbain et al. (2007)
  • Pays de la Loire
    • Loire-Atlantique
      • Châteaubriant-Ancenis
        • Saint-Aubin-des-Châteaux
Moëlo et al. (2006)
  • Provence-Alpes-Côte d'Azur
    • Var
      • Toulon
        • Le Pradet
Georges FAVREAU collection & EDX ... +1 other reference
Georgia
 
  • Abkhazia
    • Gudauta District
      • Avadkhara ore field (Avadkhara deposit)
Bukiya et al. (1971)
  • Kvemo Kartli
    • Bolnisi District
Gugushvili et al. (2002)
  • Racha-Lechkhumi and Kvemo Svaneti
    • Oni District
Gruzdev et al. (1975) +2 other references
Kekelia et al. (2008)
Germany
 
  • Baden-Württemberg
    • Freiburg Region
      • Schwarzwald-Baar-Kreis
        • Triberg im Schwarzwald
Walenta (1992)
    • Karlsruhe Region
      • Freudenstadt
        • Bad Rippoldsau-Schapbach
          • Wildschapbach valley
Wittern (2001)
  • Lower Saxony
    • Goslar District
      • Braunlage
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Arnsberg
          • Müschede
Weiß (1990)
        • Bestwig
Wittern (2001)
      • Märkischer Kreis
        • Plettenberg
          • Bärenberg
Weiß (1990)
      • Olpe
        • Kirchhundem
          • Silberg
Wittern (2001)
      • Siegen-Wittgenstein
        • Burbach
Henrich et al. (2019)
        • Kreuztal
          • Ferndorf
54 +1 other reference
        • Siegen
          • Eiserfeld
Wittern (2001)
        • Wilnsdorf
          • Obersdorf
www.mineralienatlas.de (2025)
    • Cologne
      • Aachen
        • Alsdorf
Maas (1977)
      • Düren
        • Hürtgenwald
Graf et al. (1982)
      • Euskirchen
        • Blankenheim
          • Schmidtheim
Vetter et al. (1993)
        • Kall
Weiß (1990)
        • Mechernich
Weiß (1990)
      • Oberbergischer Kreis
        • Engelskirchen
          • Loope
Weiß (1990) +1 other reference
      • Rheinisch-Bergischer Kreis
        • Overath
          • Steinenbrück
            • Altenbrück
Weiß (1990)
    • Düsseldorf
      • Oberhausen
        • Osterfeld
    • Münster
      • Recklinghausen
        • Marl
          • Hüls
Weiß (1990)
  • Rhineland-Palatinate
    • Ahrweiler
      • Adenau
        • Antweiler
Weiß (1990)
        • Fuchshofen
Vetter (1991)
    • Altenkirchen
      • Kirchen (Sieg)
        • Niederfischbach
Henrich (2007)
    • Bitburg-Prüm
      • Prüm
        • Bleialf
Graf (1991)
Graf (1991)
    • Donnersbergkreis
      • Nordpfälzer Land
        • Bayerfeld-Steckweiler
Müller (2013)
        • Obermoschel
Krupp (1989)
    • Kusel
      • Kusel-Altenglan
        • Rammelsbach
Lapis 33 (12)
    • Mayen-Koblenz
      • Vordereifel
        • Langenfeld
          • St Jost
Graf (1991)
    • Neuwied
      • Puderbach
        • Raubach
Gerhard Möhn collection
    • Rhein-Hunsrück-Kreis
      • Hunsrück-Mittelrhein
        • Sankt Goar
Weiß (1990)
    • Rhein-Lahn-Kreis
      • Diez
        • Holzappel
Weiß (1990)
      • Lahnstein
        • Friedrichssegen
      • Loreley
        • Sankt Goarshausen
          • Wellmich
Weiß (1990)
  • Saarland
    • Neunkirchen
XRD by Dr. G. Müller
    • Saarbrücken
      • Quierschied
        • Göttelborn
in the collection of Christof Schäfer
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
Möhn et al. (07/2020)
Thomas Witzke analysis and collection
Lapis 30 (7/8)
    • Mittelsachsen
      • Sayda
Wittern (2001)
    • Sächsische Schweiz-Osterzgebirge
      • Altenberg
B. Gottesmann: Dickit aus Altenberg/Sachsen. Zeitschrift fur Geologische Wissenschaften (9) +1 other reference
      • Dippoldiswalde
Wittern (2001)
  • Thuringia
    • Greiz District
Witzke et al. (1998)
Witzke et al. (1998)
      • Weida
Hanneberg et al. (2009) +1 other reference
    • Saalfeld-Rudolstadt District
      • Saalfeld
        • Schmiedefeld
Ullrich (2018)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Mercati mines
Rieck et al. (2022)
  • Eastern Macedonia and Thrace
    • Evros
      • Alexandroupoli
Skarpelis (1999)
    • Rhodope
      • Maroneia-Sapes
- (n.d.)
Alteration et al. (Sappes) +1 other reference
  • South Aegean
    • Kos
Papoulis et al. (2005)
    • Milos
      • Milos Island
Grosche et al. (2023)
Honduras
 
  • Olancho Department
    • Juticalpa Municipality
Mattioli et al. (2014)
Hungary
 
  • Baranya County
    • Komló District
      • Komló
    • Pécs District
  • Borsod-Abaúj-Zemplén County
    • Sárospatak District
Sándor et al. (2005)
Koch (1985)
    • Szerencs District
      • Mád
Koch (1985)
  • Fejér County
    • Székesfehérvár District
      • Pátka
  • Heves County
    • Parádfürdő
    • Pétervására District
      • Recsk
Földessy et al. (2008)
Mecsek-Oko
Szakáll et al. (1996)
India
 
  • Gujarat
    • Chhota Udaipur District
      • Kavant Taluka
Deans et al. (1972) +9 other references
  • Karnataka
Nayak et al. (2024)
  • Madhya Pradesh
    • Narsinghpur District
Raju +1 other reference
Indonesia
 
  • Aceh Province
    • Pidie Regency
Mulja et al. (2022)
  • Central Java Province
    • Banyumas Regency
Idrus et al. (2015)
  • Central Kalimantan Province
    • Gunung Mas Regency
      • Beruang Kanan orefield
www.pdac.ca (2003)
  • Central Sulawesi Province
    • Tolitoli Regency
      • Dondo
van Leeuwen et al. (1994)
  • East Java Province
    • Banyuwangi Regency
Scher et al. (2013)
Tumpangpitu porphyry-high sulphidation epithermal deposit et al. (Trans. Inst. Min. Metall. B) +1 other reference
  • East Kalimantan Province
Davies (2008)
  • Gorontalo Province
Singer et al. (2008)
  • North Maluku Province
    • Halmahera Island
www.newcrest.com.au (2017)
    • Obi Islands
      • Obi Island
Bambang Nugroho et al. (2024)
  • North Sulawesi Province
    • Sangihe Islands Regency
King et al. (2014)
King et al. (2014)
    • South Minahasa Regency
      • Ratatotok mining area
Turner et al. (1994)
  • North Sumatra Province
Sweetapple et al. (2014)
  • Papua Province
    • Mimika Regency
      • Gunung Bijih District
        • Ertsberg Complex
Bensaman et al. (2015)
  • Special Region of Yogyakarta
    • Gunung Kidul Regency
Al Hakim et al. (2017)
  • West Java Province
    • Garut Regency
Tun et al. (2015)
Imawan et al. (2024)
  • West Nusa Tenggara Province
    • Sumbawa Island
      • Bima Regency
Verdiansyah et al. (2022)
      • Dompu Regency
Burrows et al. (2020) +2 other references
      • West Sumbawa Regency
Singer et al. (2008)
  • West Sumatra Province
    • Lima Puluh Kota Regency
Abidin et al. (2014)
Iran
 
  • Markazi Province
    • Saveh County
Fazli et al. (2022)
    • Zarandieh County
Fazli et al. (2024)
  • Qazvin Province
    • Takestan County
Abedini et al. (2025)
  • Zanjan Province
    • Abhar County
BAZARGANI-GUILANI et al. (2008)
Italy
 
Balenzano F. (1981)
    • Matera Province
Balenzano F. (1981)
Balenzano F. (1981)
Balenzano F. (1981)
    • Potenza Province
Balenzano F. (1981)
Balenzano F. (1981)
Balenzano F. (1981)
Balenzano F. (1981)
  • Emilia-Romagna
    • Parma Province
      • Berceto
        • Ghiare
Collezione Adorni Fabrizio
      • Terenzo
        • Selva Grossa
Adorni et al. (2010)
  • Friuli Venezia Giulia
    • Udine Province
      • Paluzza
        • Timau
          • Casera Pramosio/Malga Pramosio-Monte Avostanis/Blaustein area
Bortolozzi et al. (2015)
  • Lazio
    • Metropolitan City of Rome Capital
      • Cerveteri
        • Sasso di Furbara (Sasso)
Mattias et al. (1979) +2 other references
Lombardi et al. (1979) +1 other reference
  • Lombardy
    • Varese Province
Analysed by Dr Giuseppetti (comm. Enrico Bonacina)
        • Cavagnano
Bortolozzi (n.d.)
  • Piedmont
    • Cuneo Province
      • Valdieri
        • San Lorenzo
Parola et al. (2023) +1 other reference
    • Metropolitan City of Turin
      • Borgofranco d'Ivrea
        • Biò
Ambrino et al. (2008)
      • Lessolo
        • Calea
Campostrini (2001)
    • Verbano-Cusio-Ossola Province
      • Crevoladossola
Preite et al. (1995)
      • Formazza
        • Ban Group
Mattioli (1979) +1 other reference
Mattioli (1979) +1 other reference
Mattioli (1979) +1 other reference
  • Sardinia
    • Metropolitan City of Cagliari
      • Sarroch
Fernando Caboni et al. (2023)
    • South Sardinia Province
Fernando Caboni et al. (2024)
Fernando Caboni et al. (2024) +1 other reference
      • Narcao
Lecca et al. (2024)
      • Villaputzu
//doi.org/10.57635/MICRO.2025.23.16
  • Sicily
    • Metropolitan City of Palermo
      • Termini Imerese
collect from authors +1 other reference
  • Trentino-Alto Adige/Südtirol
    • South Tyrol
      • Überetsch-Unterland (Oltradige-Bassa Atesina)
Daniel Lorenz
    • Trento Province
      • Faedo
Bortolozzi (n.d.)
      • Frassilongo
        • Roveda
Bortolozzi (n.d.)
      • Lavis
Ferretti P. et al. (Lavis, Trentino-Alto Adige)
      • Levico Terme
Canal et al. (2012)
      • Novaledo
Raman Spectroscopy by Ivano Rocchetti
      • Roncegno Terme
Bortolozzi et al. (2013)
      • Vignola-Falesina
Bortolozzi (n.d.)
October 2021 Micro 19 (3-2021) +2 other references
SEM/EDS analysis by AMI SIUK
Erica Bittarello +3 other references
  • Tuscany
    • Grosseto Province
      • Massa Marittima
Dill (1979)
  • Veneto
    • Vicenza Province
      • Recoaro Terme
        • Civillina Mountain
Boscardin et al. (2011)
      • Schio
        • Tretto
          • San Rocco di Tretto (San Rocco)
Pegoraro et al. (1997) +2 other references
      • Torrebelvicino
        • Mercanti Valley
Lapis (2) +1 other reference
Pegoraro S. (2014)
        • Monte Naro
          • Monte Naro - Riolo Valley side
            • Contrada Trentini
Boscardin et al. (2011)
Japan
 
  • Aomori Prefecture
    • Kamikita District
INOUE et al. (1991)
  • Hiroshima Prefecture
    • Shoubara City
      • Kawakita
- (n.d.)
  • Hokkaidō Prefecture
    • Iburi Subprefecture
      • Shiraoi District
        • Shiraoi-cho
米田哲朗. (1989)
    • Ishikari Subprefecture
      • Sapporo City
        • Minami-ku
Shimizu +1 other reference
    • Oshima Subprefecture
Watanabe et al. (1996)
  • Hyogo Prefecture
Myint (1996)
  • Kagoshima Prefecture
    • Ibusuki City
Morishita et al. (2019)
Econ Geol (1989)
Kawano et al. (1991)
    • Makurazaki City
... +1 other reference
    • Minamikyushu City
      • Chiran-cho
... +1 other reference
  • Nagano Prefecture
Fujii et al. (1971)
    • Shimotakai District
Fujii et al. (1971)
  • Okayama Prefecture
- (n.d.)
  • Tochigi Prefecture
    • Nikko City
      • Imaichi
Yamada (2004)
Kazakhstan
 
  • Jambyl Region
    • Moiynkum District
Jermolenko (2002)
  • Karaganda Region
    • Aktogay District
      • Gul'shad (Gul'shat; Gul'sad)
Singer et al. (2008)
    • Balkhash
Dill (1999)
      • Kounrad Massif
Singer et al. (2008)
  • North Kazakhstan Region
    • Ualikhanov District
Tokpayev et al. (2025)
Kosovo
 
  • Mitrovica District
    • Mitrovica
      • Trepça complex
Palinkaš +6 other references
Kyrgyzstan
 
  • Batken Region
    • Kadamjay District
      • Aydarken
Kolesar et al. (1993)
Kolesar et al. (1993)
      • Kadamzhay ore field
  • Chuy Region
    • Kemin District
Djenchuraeva et al. (2008)
Laos
Luxembourg
 
  • Canton Wiltz
    • Goesdorf
Philippo et al. (2007)
Malaysia
 
  • Sarawak
    • Kuching Division
Percival et al. (1990)
Yajima (1960)
Wolfram Dieter Schuh (1993)
    • Samarahan Division
      • Simunjan District
Caisheng Zhao et al. (2004) +1 other reference
Mexico
 
  • Baja California
    • San Felipe Municipality
      • El Marmol
        • Delicias
Wilson W.E. (2024)
  • Chihuahua
    • Aquiles Serdán Municipality
Marcus Origileri
    • Chínipas Municipality
Sotelo (2016)
Sotelo (2016)
    • Urique Municipality
Anisimov et al. (2001)
  • Jalisco
    • Guachinango Municipality
Camprubí et al. (1)
Clay Miner. 29:452-453 (1981)
  • Sonora
    • Moctezuma Municipality
      • Moctezuma
Braith et al. (2001) +2 other references
    • Sahuaripa Municipality
      • Mulatos
Alamos Gold Inc
    • Santa Cruz Municipality
      • Milpillas
Berrocal-Lopez +1 other reference
Mongolia
 
  • Bayanhongor Province
    • Shinejinst District
Erdene Resource Development Corp.
MacDonald et al. (2024)
  • Dornogovi Province
    • Khövsgöl District
      • Tsagaan Suvarga ore field (Tsagaan Suvarguin ore field; Tsagan Suburga ore field)
Fengjun Nie et al. (2004) +1 other reference
  • Ömnögovi Province
    • Khanbogd District
      • Erdenetsogt
        • Oyu Tolgoi Cu-Au ore field (Turquoise Hill Cu-Au ore field)
Economic Geology September 2001 v. 96 ... +1 other reference
December 2009 +3 other references
Porter (Mike)
Porter (Mike)
Kim et al. (2017)
    • Manlai District
Singer et al. (2008)
Morocco
 
  • Drâa-Tafilalet Region
    • Tinghir Province
      • Tinghir Cercle
        • Imiter mining district
Barral et al. (2008)
Myanmar
 
  • Mandalay Region
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Kyatpyin North
Soonthorntantikul et al. (2017)
  • Sagaing Region
    • Katha District
      • Kawlin Township
Kirwin et al. (2019)
    • Yinmabin District
      • Salingyi Township
Mitchell et al. (2008) +1 other reference
Netherlands
 
  • Limburg
    • Brunssum
T.G. Nijland
T.G. Nijland
T.G. Nijland
    • Kerkrade
      • Eygelshoven
New Zealand
 
  • Tasman Region
Burgess (1978)
  • Waikato Region
    • Hauraki District
      • Waihi
Singh (2015)
    • Taupo District
      • Wairakei
Chambefort et al. (2017)
    • Thames-Coromandel District
Railton et al. (1990)
      • Tararu
Railton et al. (1990)
      • Thames
Christie et al. (2007)
Nicaragua
 
  • León Department
    • Telica
      • Telica Volcano
Hynek et al. (2013)
North Sea
 
Norway
 
  • Akershus
    • Nannestad
      • Hurdalsjøen
Harald Folvik XRD NMH
    • Nittedal
Berg et al. (2003)
  • Buskerud
    • Drammen
      • Åssiden
Raade (1969) +1 other reference
Nordli et al. (1997)
  • Nordland
    • Narvik
Husdal (2023)
Raade (1972)
Palau
 
  • Airai
Miller et al. (1987)
Panama
 
  • Colón Province
    • Donoso District
Redwood (2020)
  • Herrera Province
Redwood (2020)
  • Los Santos Province
Redwood (2020)
Redwood (2020)
Yang et al. (1997)
I. Corral et al. (2010) +3 other references
  • Ngäbe Buglé Comarca
Redwood (2020)
Papua New Guinea
 
  • Eastern Highlands Province
    • Kainantu
K92 Mining
  • Morobe Province
Rinne et al. (2018)
Rinne et al. (2018)
Rinne et al. (2018)
Singer et al. (2008)
  • Sandaun Province
    • Frieda river complex
Singer et al. (2005)
Bainbridge et al. (1998) +1 other reference
  • Western Province
    • Star Mountains
      • Mount Fubilan
BHP
Peru
 
  • Ancash
    • Huaraz Province
      • Jangas District
Rainbow et al. (2005)
  • Cajamarca
Longo et al. (2005)
  • Huancavelica
    • Castrovirreyna Province
      • Castrovirreyna District
Lewis (1964)
  • La Libertad
    • Otuzco Province
      • Otuzco
Dill et al. (1997)
    • Santiago de Chuco Province
Singer et al. (2008)
      • Quiruvilca District
Barrick Gold Corporation
  • Pasco
    • Daniel Alcides Carrión Province
Benites et al. (2022) +1 other reference
    • Pasco province
Graton +1 other reference
      • Simón Bolívar District
Regina Baumgartner et al. (2003) +1 other reference
      • Tinyahuarco district
Bendezu et al. (2009)
Bendezú et al. (2003) +2 other references
Dube et al. (2014)
Philippines
 
  • Luzon
    • Central Luzon Region
      • Bataan Province
Singer et al. (2008)
    • Cordillera Administrative Region
      • Benguet Province
        • Mankayan
Singer et al. (2008)
  • Mindanao
    • Davao Region
      • Davao de Oro Province
Villaplaza et al. (2017)
      • Davao del Norte Province
Singer et al. (2008)
    • Soccsksargen Region
      • South Cotabato Province
Singer et al. (2008)
    • Zamboanga Peninsula Region
      • Zamboanga del Sur Province
Singer et al. (2008)
  • Negros Island Region
    • Negros Island
      • Negros Occidental Province
        • Hinoba-an
Singer et al. (2008)
  • Visayas
    • Eastern Visayas Region
      • Leyte Island
Angcoy (2010)
Poland
 
  • Lower Silesian Voivodeship
    • Bolesławiec County
Dan Costian collection & photo-780123
    • Jawor County
      • Gmina Bolków
        • Radzimowice
Janeczek et al. (1991)
    • Kłodzko County
Mineralogisches Museum Bonn specimen.
      • Nowa Ruda
Eligiusz Szełęg private collection
Lis et al. (1986)
Wojciech Czapliński
    • Wałbrzych
      • Podgórze
Lis et al. (1986)
Lis et al. (1986)
      • Sobięcin
Lis et al. (1986)
    • Zgorzelec County
      • Gmina Węgliniec
Lis et al. (1986)
  • Świętokrzyskie Voivodeship
    • Kielce County
      • Gmina Górno
Salwa (2019)
Portugal
 
  • Beja
    • Almodôvar
      • Almodôvar e Graça dos Padrões
Alves (n.d.)
      • Santa Cruz
        • Barrigão Mine
Alves (n.d.)
    • Odemira
      • São Luís
Alves (n.d.)
  • Faro
    • Alcoutim
      • Alcoutim e Pereiro
Pedro Alves analytical data
Romania
 
  • Alba County
    • Lupșa
      • Mușca
Milu et al. (2004) +1 other reference
  • Bihor County
Marincea +4 other references
    • Pietroasa
Onac et al. (1995)
  • Bistrița-Năsăud County
Tamas et al. (2003) +1 other reference
  • Caraş-Severin County
    • Moldova Nouă
www.minerals-of-the-carpathians
Russia
 
  • Adygea (Republic of Adygea)
    • Maykopsky District
Pekov I.V. et al. (2010) +1 other reference
  • Altai Krai
    • Rubtsovsky District
Pekov et al. (2010)
  • Altai Republic
Pavlova et al. (2009)
    • Kosh-Agachsky District
Pavlova et al. (2009)
      • Kuray
Pavlova et al. (2009)
Pavlova et al. (2009)
Luzgin et al. (1977)
    • Ulagansky District
Pavlova et al. (2009)
  • Buryatia
    • Tarbagataysky District
Ripp et al. (1996) +1 other reference
  • Chukotka Autonomous Okrug
    • Bilibinsky District
      • Vesenniy
        • Nakhodka ore field
Chitalin et al. (2023)
    • Chaunskii District (Chaun)
Kalko et al. (2014)
Bortnikov et al. (2004)
Volkov et al. (2011)
    • Okhotsk-Chukotka belt
Yakich et al. (2021)
  • Kamchatka Krai
    • Koryak Okrug
      • Karaginsky District
Стрельников; МВ; Ханин; ДА; Япаскурт; ВО; Бритвин; СН; Плетнёв; ПА; et al. (n.d.) +3 other references
Strelnikov M. V. et al. (2025)
Pekov et al. (2026)
    • Yelizovsky District
      • Kronotsky Reserve
Sergeeva et al. (2019)
  • Khabarovsk Krai
    • Okhotsky District
Yakich et al. (2021)
Левочская et al. (2021)
Tamara Yu. Yakich * et al. (2024) +2 other references
  • Komi Republic
Bukanov et al. (2012)
  • Magadan Oblast
    • Khasynsky District
      • Agan ore field
Volkov et al. (2015)
    • Severo-Evensky District
Volkov et al. (2023)
  • Murmansk Oblast
...
  • Primorsky Krai
    • Dalnegorsk Urban District
      • Dalnegorsk
Grant et al. (2001)
  • Sakha
Goryachev et al. (2011)
Goryachev et al. (2011)
    • Indigirka River Basin
      • Sana-Maltan ore field
Fridovsky et al. (2014)
Bortnikov et al. (2010)
Goryachev et al. (2011)
    • Tyry River
Bortnikov et al. (2007) +1 other reference
    • Ust-Yansky District
Nokleberg (2005)
    • Verkhoyansk District
Pal’yanova et al. (2016)
  • Sverdlovsk Oblast
    • Serovsky District
      • Turya river
        • Tur'insk
Kasatkin et al. (2021)
  • Tuva
    • Pi-Khem District
USGS Open File Report 2005-1252 p215ff
  • Ural Mountains
Hyršl (1992)
  • Zabaykalsky Krai
    • Krasnokamensky District
      • Krasnokamensk
        • Strel'tsovskoe Mo-U ore field
Laverov et al. (2008)
    • Nerchinsky District
      • Adun-Cholon Range
Kasatkin et al. (2014)
Serbia
 
  • Central Serbia
    • Bor District
      • Bor
RTB Bor
Bosić et al. (2025)
    • Braničevo District
      • Žagubica
Zivanovic (2019)
Slovakia
 
  • Banská Bystrica Region
    • Banská Štiavnica District
      • Beluj
Kozák J. et al. (2017)
    • Detva District
      • Detva
Koděra P. et al. (2008) +1 other reference
Koděra et al. (1986)
    • Revúca District
      • Rákoš
Miškovic J. (1990)
      • Ratková
Koděra et al. (1986)
    • Žiar nad Hronom District
      • Kremnica
Ďuďa (1993)
  • Košice Region
    • Michalovce District
      • Poruba pod Vihorlatom
Bacsó
    • Sobrance District
Bacsó
    • Spišská Nová Ves District
      • Hnilec
Koděra et al. (1986)
Ďuda et al. (1996)
Koděra et al. (1986)
Hurný J. (1974)
Grecula (1995)
      • Spišská Nová Ves
        • Novoveská Huta
Koděra et al. (1986)
    • Trebišov District
Ďuďa R.
  • Prešov Region
    • Bardejov District
Bačo
    • Prešov District
      • Červenica
        • Dubník
Koděra et al. (1986)
    • Snina District
Pauliš
    • Vranov nad Topľou District
Koděra et al. (1986)
      • Komárany
Ďuďa
      • Nová Kelča
Koděra et al. (1986)
Slovenia
 
  • Dobrova–Polhov Gradec
    • Črni vrh
Albrecht von Quadt et al. (2007)
South Africa
 
  • KwaZulu-Natal
    • eThekwini Metropolitan Municipality
      • Durban
        • Cato Manor
          • Umbilo Valley
Cairncross et al. (1995)
        • Umhlatuzana valley
Cairncross et al. (1995) +1 other reference
South Korea
 
Cho et al. (1994)
  • Gyeonggi Province
    • Hwaseong City
Econ Geol (1984)
  • North Gyeongsang Province
    • Uiseong County
Chi et al. (1989)
Chi et al. (1989)
  • South Jeolla Province
    • Jindo County
      • Gasado Island
"Exploration and utilization of the ... +1 other reference
    • Yeongam County
Kim et al. (1991)
Spain
 
  • Andalusia
    • Almería
      • Níjar
P. Sanger-von Oepen (1990)
Calvo Rebollar (2014)
    • Córdoba
      • Belalcázar
        • La Ventosilla farmhouse
Rewitzer et al. (2018)
    • Málaga
      • Málaga
        • Este (District 2; Málaga-Este)
Cruz et al. (1997)
  • Basque Country
    • Biscay
      • Arratia-Nerbioi
Perona et al. (2018)
  • Castile-La Mancha
    • Ciudad Real
      • Almadén
Saupe (1990)
Fabre (n.d.)
  • Catalonia
    • Girona
      • La Selva
        • Sant Hilari Sacalm
Alfredo Petrov
    • Tarragona
      • Priorat
        • Bellmunt del Priorat
Joan Rosell
Sweden
 
  • Gävleborg County
    • Ljusdal
Pieslinger (2023)
  • Skåne County
    • Helsingborg
      • Fjärestad
Norin (1949)
  • Västerbotten County
    • Skellefteå
Sandström (2008)
Switzerland
 
  • Appenzell Innerrhoden
    • Schwende-Rüte
      • Rüte
Hofmann et al. (2014) +1 other reference
  • Fribourg
    • Sense
      • Plaffeien
        • Muscherenschlund
Hofmann et al. (2014)
  • Grisons
    • Engiadina Bassa/Val Müstair Region
      • Scuol (Schuls)
Peters (1968) +2 other references
    • Surselva Region
      • Ilanz/Glion
        • Renastga Valley
Soom et al. (1988) +1 other reference
    • Viamala Region
      • Rheinwald
        • Splügen
Deicha et al. (1960) +2 other references
  • Ticino
    • Blenio
      • Blenio Valley
        • Santa Maria Valley
Hofmann et al. (2014)
    • Leventina
      • Airolo
Graeser et al. (1974) +2 other references
  • Valais
    • Brig
      • Ried-Brig
        • Ganter valley
          • Wasen Alp
Chukanov et al. (2018)
    • Entremont
      • Orsières
Cuchet et al. (2012)
    • Goms
      • Binn
        • Fäld
Stalder et al. (1998)
    • Martigny
      • Mont Chemin mining district
Taiwan
 
  • New Taipei City
    • Ruifang District
L. P. Tan (1993) +1 other reference
  • Pingtung County
Lin Szu Bin +2 other references
    • Shizi Township
Li et al. (2000)
Tajikistan
 
  • Gorno-Badakhshan
    • Pamir Silver District
      • Bazardara ore cluster
Pavlova et al. (2009)
Pavlova et al. (2009)
Turkey
 
  • Artvin Province
    • Murgul District
      • Murgul Camp
Rabayrol et al. (2023)
    • Şavşat District
      • Şavşat Camp
Rabayrol et al. (2023)
    • Yusufeli District
      • Balcılı Camp
Rabayrol et al. (2023)
      • Yusufeli Camp
Rabayrol et al. (2023)
  • Balikesir Province
    • Gönen District
    • Sındırgı District
      • Mumcu
Oygür (1997)
  • Çanakkale Province
    • Biga District
Yigit (2012)
    • Çan District
Yigit (2012)
    • Çanakkale
Yigit (2012)
Aluç et al. (2025)
      • TV Tower district
Yigit (2012)
Smith et al. (2014)
    • Lapseki District
Yigit (2012)
Yilmaz et al. (2010) +1 other reference
Yigit (2012)
  • Gümüşhane Province
    • Gümüşhane
      • Bahçecik
Yigit et al. (2000)
  • Kirklareli Province
    • Demirköy District
      • Dereköy
Singer et al. (2008)
  • Uşak Province
    • Eşme District
Hanilçi +6 other references
UK
 
  • England
    • Cornwall
      • Gwennap
Fitch et al. (2022)
      • Lezant
Golley et al. (1995)
      • Pillaton
Golley et al. (1995)
      • Poundstock
Golley et al. (1995)
Golley et al. (1995)
      • Saltash
        • St Erney
Golley et al. (1995)
    • Cumbria
      • Allerdale
        • Bassenthwaite
Day (1999)
[Specimen in the Natural History Museum
        • Embleton
Day (1999)
    • Devon
      • Torbay
        • Torquay
    • North Yorkshire
John Sobolewski collection
  • Scotland
    • Argyll and Bute
      • Lochgilphead
Hubbard et al. (2001)
  • Wales
    • Bridgend
      • Cefn Cribwr
    • Caerphilly
      • Llanbradach
Ian Jones collection
    • Isle of Anglesey
      • Amlwch
Day (1999)
    • Merthyr Tydfil
      • Treharris
Ian Jones collection
    • Neath Port Talbot
      • Margam Moors
Sorrell (n.d.)
      • Onllwyn
    • Powys
      • Machynlleth
        • Dylife
Day (1999)
    • Rhondda Cynon Taf
      • Clydach Vale
      • Cwmaman
Chamosite confirmed by XRD at the ...
      • Gelli
      • Tylorstown
Ian Jones collection
Ukraine
 
  • Crimea
    • Alushta
Alexander I. Tischenko (1996)
Alexander I. Tischenko (1996)
Popov S.P. Mineralogy of the Crimea (1938)
    • Simferopol area
      • Lozovoye Village area
Tischenko Alexander
      • Malyi Salgir Valley
        • Kara-Oba Mountain
Geologiya rtutnyhmestorogdeniy i proyavleniy Ukrainy (Geology of mercurial deposits and ore occurences in Ukraine)
      • Petropavlovka Village area
A. Tischenko. Minerals of the Crimea - ...
    • Sudak Area
      • Morskoye Village
Geologiya SSSR (The geology of USSR)
Popov S.P. Mineralogy of the Crimea (1938)
  • Donetsk Oblast
    • Gorlovka
Möckel et al. (1992)
Dmitry Tonkacheev
  • Sevastopol
    • Balaklava district
Dobrovolskaya T.I. (2004)
  • Zakarpattia Oblast
    • Berehove Raion
      • Berehove
Econ Geol (1994) +1 other reference
O.K.Babynin et al. (2006)
  • Zhytomyr Oblast
    • Zhytomyr Raion
Lyckberg et al. (2009)
USA
 
  • Alabama
    • Macon County
Cook et al. (1982)
  • Alaska
    • Dillingham Census Area
      • Aniak Mining District
- (2008)
- (2008)
      • Bristol Bay Region Mining District
        • Aleknagik
          • Marsh Mountain
- (2008)
    • Northwest Arctic Borough
      • Shungnak Mining District
Runnells (1964)
    • Southeast Fairbanks Census Area
Kelley et al. (2022)
    • Yukon-Koyukuk Census Area
      • Ambler Mining District
Am Min 49:158-165
      • Innoko Mining District
- (2008)
- (2005)
  • Arizona
    • Cochise County
Nye (1968) +1 other reference
Anthony et al. (1995)
    • Coconino County
      • Grandview Mining District
        • Horseshoe Mesa
Michael Cline Collection
    • Pinal County
      • San Manuel Mine
Singer et al. (2005)
Anthony et al. (1995)
      • Superior
Winant (2010) +2 other references
      • Vekol Mountains
        • Vekol Mining District
          • Kohatk
MRDS database Dep ID #10026734 +1 other reference
  • Arkansas
    • Clark County
Rocks & Min.:63:107 +1 other reference
Rocks & Min.:63:107 +1 other reference
Rocks & Min.:63:107 +2 other references
    • Garland County
      • Blue Springs
Rocks & Min.:63:108.
      • Jessieville
Rocks & Min.:63:107 +1 other reference
    • Hot Spring County
Shockley (1976)
Rocks & Min.: 63: 109.
    • Howard County
      • Southwest Arkansas Mercury Mining District
- (2005)
Rocks & Min.: 63:110.
- (2005)
    • Montgomery County
      • Mount Ida
Rocks & Min.: 63: 113. +1 other reference
Rocks & Min.: 63: 113. +1 other reference
Rocks & Min.: 63: 113.
      • Norman
Rocks & Min.:63:112 +1 other reference
    • Perry County
      • Hollis
Rocks & Minerals (1988) +1 other reference
    • Pike County
      • Bemis Hill
Rocks & Minerals (1988) +1 other reference
Rocks & Minerals (1988) +1 other reference
- (2005)
Clardy et al. (1976) +1 other reference
Rocks & Minerals (1988) +1 other reference
Rocks & Minerals (1988) +1 other reference
- (2005)
      • Lake Greeson
Rocks & Minerals (1988) +1 other reference
Rocks & Minerals (1988) +1 other reference
Rocks & Minerals (1988) +1 other reference
Rocks & Minerals (1988)
        • Mill Mountain
Rocks & Min.: 63:118.
Rocks & Min.: 63:118.
Rocks & Min.: 63:118.
        • Parnell Hill
Rocks & Min.: 63:118.
        • Skelton Mountain
Rocks & Min.: 63:118.
Rocks & Minerals (1988)
Rocks & Minerals (1988)
Rocks & Min.: 63:118.
- (2005)
Rocks & Min.: 63:118.
      • Nutts
Rocks & Minerals (1988)
Rocks & Min.: 63:118.
      • Pike City
Rocks & Min.: 63:118.
Rocks & Min.: 63:118.
Howard (2007)
    • Pulaski County
      • Maumelle
Rocks & Minerals (1988)
      • North Little Rock
Dana 6: 140 & 692. +1 other reference
    • Saline County
McNeil et al. (1991)
Rocks & Minerals (1988)
Howard (1987) +1 other reference
    • Yell County
      • Aly
Rocks & Min.:63:124 +1 other reference
  • California
    • Santa Barbara County
      • San Rafael Mountains
        • Cachuma Mining District
          • Cachuma Village
- (2005)
    • Shasta County
      • Lassen Volcanic National Park
Robert G. Lee et al. (2005)
  • Colorado
    • Boulder County
      • Boulder County Tungsten Mining District
Lovering et al. (1950)
Eckel et al. (1997)
    • Custer County
Eckel et al. (1997)
Eckel et al. (1997)
      • Silver Cliff Mining District
Eckel et al. (1997)
Eckel et al. (1997)
    • Eagle County
      • Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District)
        • Gilman
Eckel et al. (1997)
    • Fremont County
      • Howard
Eckel et al. (1997)
Eckel et al. (1997)
    • Hinsdale County
      • Lake City Mining District
Eckel et al. (1997)
        • Lake City
- (2005)
- (2005)
    • La Plata County
      • La Plata Mining District (California Mining District)
- (2005)
- (2005)
- (2005)
- (2005)
      • Needle Mountain Mining District
USGS Bull 1434
- (2005)
    • Montezuma County
Eckel et al. (1997)
Eckel et al. (1997)
    • Ouray County
Rosemeyer et al. (1986)
      • Sneffels Mining District
        • Imogene Basin
Rocks & Min.:62:9 +3 other references
    • Park County
      • Alma Mining District
        • Mount Bross
          • Detroit City Claim Block
Collector's Edge Minerals Inc
Min News 20:9 pp1
    • Rio Grande County
Eckel et al. (1997)
    • Routt County
Eckel et al. (1997)
    • San Juan County
      • Animas Mining District
        • Silverton
Zheng (1994)
      • Anvil Mountain
Rocks & Minerals 71:2 pp94-101
USGS Prof. Paper 750C +1 other reference
    • Summit County
Eckel et al. (1997)
  • Connecticut
    • Hartford County
      • Glastonbury
        • East Glastonbury
Rocks & Min.: 70:398
    • Middlesex County
      • Haddam
        • Higganum
Schooner (circa 1980s)
  • Georgia
    • Lincoln County
Barwood (1999) +1 other reference
  • Idaho
    • Butte County
      • Lava Creek Mining District
        • Champagne Creek
- (2005)
  • Kansas
    • Linn County
      • Prescott
Econ Geol (1994)
    • Neosho County
Econ Geol (1994)
  • Maryland
    • Allegany County
Lininger (1994)
  • Massachusetts
    • Norfolk County
Gleba (2008)
  • Michigan
    • Baraga County
      • Huron River
Carlson et al. (2007)
Heinrich et al. (2004)
Heinrich et al. (2004)
      • Gaastra
        • Buck Group
Heinrich et al. (2004)
Heinrich et al. (2004)
      • Negaunee
Heinrich et al. (2004)
        • Mather Mine (Pioneer pellet plant; Ore improvement plant)
Morris (1983)
Heinrich et al. (2004)
      • Richmond Township
Heinrich et al. (2004)
Heinrich et al. (2004)
  • Missouri
    • Boone County
Sherwood et al. (1998)
    • Crawford County
- (2005)
    • Iron County
      • Annapolis
- (2005)
      • Bixby
Sherwood et al. (1998) +1 other reference
- (2005)
Rocks & Min. Mar. 1998 +2 other references
Econ Geol (1986)
      • Viburnum
Afifi et al. (1988) +1 other reference
    • Madison County
Sherwood et al. (1998)
        • Fredericktown
Chris DeGrave Collection
    • Reynolds County
      • Ellington
Sherwood et al. (1998) +1 other reference
      • Greeley
Afifi et al. (1988) +3 other references
      • West Fork
Afifi et al. (1988) +2 other references
- (2005)
    • St. Francois County
      • Bonne Terre Mining District
        • Bonne Terre
- (2005)
      • Flat River
- (2005)
      • Leadwood Mining District
- (2005)
AmMin 21:457
    • Washington County
      • Ebo
- (2005)
Sherwood et al. (1998)
- (2005)
  • Montana
    • Jefferson County
      • Whitehall Mining District (Cardwell Mining District)
Barrick Gold Corporation
    • Silver Bow County
      • Butte Mining District (Summit Valley Mining District)
Anaconda Mining Company Collection
Guilbert and Zeihen +1 other reference
  • Nevada
    • Churchill County
      • Cottonwood Canyon
        • Bolivia
Castor et al. (2004)
Nickel Deposits in Cottonwood Canyon et al. (1939)
    • Elko County
      • Pequop Mining District
Smith et al. (2013)
Castor et al. (2004)
- (2005)
    • Esmeralda County
Castor et al. (2004)
      • Goldfield Mining District
        • Goldfield
King (n.d.)
    • Eureka County
      • Antelope Mining District
Abdolmaleki et al. (2026)
      • Carlin Trend
        • Maggie Creek Mining Subdistrict
Newmont Mining Corporation
      • Lynn Mining District
Barrick Gold Corporation
- (2005)
Kuehn et al. (1992)
- (2005)
- (2005)
Barrick Gold Corporation
    • Humboldt County
      • Golconda Mining District
- (2005)
      • Osgood Mountains
        • Potosi Mining District
Osterberg (1990)
    • Lander County
      • Cortez Mining District
Clark (2012)
    • Lyon County
      • Buckskin Mining District
Riedell et al. (2020)
Vikre et al. (1994)
      • Singatse Range
Portela et al. (2026)
    • Nye County
      • Cactus Range
        • Cactus Springs Mining District
Castor et al. (2004)
    • Pershing County
      • Humboldt Range
        • Spring Valley Mining District
Castor et al. (2004)
    • Storey County
Castor et al. (2004)
- (2005)
    • Washoe County
      • Cottonwood Mining District
Castor et al. (2004)
Castor et al. (2004)
Castor et al. (2004)
  • New Hampshire
    • Cheshire County
      • Surry
Tom Mortimer collection no. 1886 (reference added by Peter Cristofono)
  • New Mexico
    • Catron County
      • Wilcox Mining District
        • Holt Gulch Prospects
USGS Bull 1451
    • Eddy County
      • Carlsbad Caverns National Park
Northrop et al. (1996)
      • Guadalupe Mountains
Polyak +1 other reference
    • Luna County
      • Old Hadley Mining District
- (2005)
    • Sandoval County
Elston (1968)
    • Sierra County
- (2005)
Northrop et al. (1996)
    • Socorro County
Northrop et al. (1996)
        • Bingham
DeMark et al. (1999)
  • New York
    • Lewis County
      • Lowville
Walter et al. (2013)
  • North Carolina
    • Gaston County
Espenshade et al. (1960)
  • Oregon
    • Lane County
      • Black Butte Mining District
Am Min (1948)
  • Pennsylvania
    • Schuylkill County
      • New Castle Township
Tom Loomis specimen +2 other references
Collected by James J. "Skip" Colflesh
  • Utah
    • Beaver County
Petersen et al. (2001)
    • East Tintic Mountains
      • Tintic Mining District
American Mineralogist
    • Piute County
Bullock (1981)
- (2005)
- (2005) +1 other reference
      • Mount Baldy-Ohio Mining District
Alunite Ridge
- (2005) +1 other reference
    • San Juan County
Bos Orent (2021)
      • Red Canyon Mining District
Journal of Geosciences (2015) +1 other reference
Kampf et al. (2022)
    • Utah County
      • East Tintic Mining District
Bullock (1981)
Bullock (1981)
    • Wasatch County
      • Elkhorn Mining District
Singer et al. (2008)
Bullock (1981)
  • Virginia
    • Albemarle County
      • Proffit
Dietrich (1990)
    • Buckingham County
      • Farmville Mining District
        • Sprouses Corner
Dietrich (1990)
    • Powhatan County
      • Flat Rock
Dietrich (1990)
    • Rockingham County
Dietrich (1990)
  • Washington
    • Kittitas County
      • Cle Elum Mining District
- (2005)
Rye et al. (2003)
    • Pend Oreille County
      • Metaline Mining District
Cannon (1975)
  • Wisconsin
    • Iron County
      • Gogebic Range
        • Montreal
Cordua (1998)
    • Sauk County
Cordua (1998)
  • Wyoming
    • Park County
      • Grand Canyon of the Yellowstone
2009 Portland GSA Annual Meeting (18-21 October 2009) +1 other reference
Uzbekistan
 
  • Navoiy
    • Central Kyzylkum Region
      • Zarafshan
        • Muruntau ore field
Rustam Koneev et al. (2005) +1 other reference
 
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