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Hydroniumjarosite

A valid IMA mineral species
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About HydroniumjarositeHide

Formula:
(H3O)Fe3+3(SO4)2(OH)6
Colour:
Amber-yellow to dark brown.
Lustre:
Sub-Adamantine, Vitreous, Resinous
Hardness:
4 - 4½
Specific Gravity:
2.9 - 3.26
Crystal System:
Trigonal
Name:
In allusion to its composition with the dominant HYDRONIUM (H3O+) cation and its relationship to JAROSITE.
Typically ocherous, amber to dark brown granular masses or crystalline to earthy crusts.

May be confused with ammoniojarosite, natrojarosite, jarosite and other visually similar member of the alunite supergroup.
Identification of this mineral requires infra-red spectroscopy (IR) or Raman spectroscopy in order to confirm the dominance of hydronium ions. A combination of XRD and EDS techniques is not sufficient (Anatoly Kasatkin, pers. commun.; see: http://www.mindat.org/mesg-7-208364.html). However, modern EDS detectors can measure even minor N contents or confirm their absence.

Incorporation of the hydronium cation in synthetic jarosites seems to increase with decreasing temperature (Bigham et al., 2010).


Unique IdentifiersHide

Mindat ID:
1983
Long-form identifier:
mindat:1:1:1983:1

IMA Classification of HydroniumjarositeHide

Approved
IMA status notes:
Redefined by the IMA
IMA Formula:
(H3O)Fe3+3(S6+O4)2(OH)6

Classification of HydroniumjarositeHide

7.BC.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
Dana 7th ed.:
30.2.5.3
25.10.19

25 : Sulphates
10 : Sulphates of Fe alone

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
HjrsIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
HjsThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of HydroniumjarositeHide

Sub-Adamantine, Vitreous, Resinous
Transparency:
Translucent
Comment:
Glistening.
Colour:
Amber-yellow to dark brown.
Streak:
Pale yellow
Hardness:
4 - 4½ on Mohs scale
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Distinct/Good
Distinct on {0001}
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
2.9 - 3.26 g/cm3 (Measured)    3.01 g/cm3 (Calculated)

Optical Data of HydroniumjarositeHide

Type:
Uniaxial (-)
RI values:
nω = 1.82 nε = 1.82
Surface Relief:
Very High (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 uniaxial interference figure - the conoscopic (convergent-light, Bertrand-lens-in) view, for a grain cut with the optic axis centred and vertical. The coloured rings are isochromatics, computed with the same physics as the Michel-Lévy bar above; the dark cross is the isogyre.

For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.
Pleochroism:
Visible
Comments:
Dichroic:
O = Deep yellow
E = Light yellow

Chemistry of HydroniumjarositeHide

Mindat Formula:
(H3O)Fe3+3(SO4)2(OH)6
Element Weights:
Element% weight
O49.923 %
Fe34.850 %
S13.340 %
H1.887 %

Calculated from ideal end-member formula.
O
Fe
S
H

Crystallography of HydroniumjarositeHide

Crystal System:
Trigonal
Class (H-M):
3m(32/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 7.17 Å, c = 16.6 Å
Ratio:
a:c = 1 : 2.315
Unit Cell V:
739.06 ų (Calculated from Unit Cell)
Z:
3
Morphology:
Tiny crystals, usually pseudo-cubic {01-13}, or tabular {0001}. Typically granular masses, crusts or coatings; may also be fibrous, nodular, concretionary, pulverent or earthy.
Twinning:
None reported.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0004581HydroniumjarositeBasciano L C, Peterson R C (2008) Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium jarosite solid-solution: A synthetic study with full Fe site occupancy American Mineralogist 93 853-8622008synthetic0293
0004580HydroniumjarositeBasciano L C, Peterson R C (2008) Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium jarosite solid-solution: A synthetic study with full Fe site occupancy American Mineralogist 93 853-8622008synthetic0293
0004579HydroniumjarositeBasciano L C, Peterson R C (2008) Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium jarosite solid-solution: A synthetic study with full Fe site occupancy American Mineralogist 93 853-8622008synthetic0293
0004444HydroniumjarositeBasciano L C, Peterson R C (2007) Jarosite - hydronium jarosite solid solution series with full iron occupancy: Mineralogy and crystal chemistry American Mineralogist 92 1464-14732007synthetic0293
0004443HydroniumjarositeBasciano L C, Peterson R C (2007) Jarosite - hydronium jarosite solid solution series with full iron occupancy: Mineralogy and crystal chemistry American Mineralogist 92 1464-14732007synthetic0293
0004442HydroniumjarositeBasciano L C, Peterson R C (2007) Jarosite - hydronium jarosite solid solution series with full iron occupancy: Mineralogy and crystal chemistry American Mineralogist 92 1464-14732007synthetic0293
0004441HydroniumjarositeBasciano L C, Peterson R C (2007) Jarosite - hydronium jarosite solid solution series with full iron occupancy: Mineralogy and crystal chemistry American Mineralogist 92 1464-14732007synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
5.93 Å(20)
5.08 Å(60)
3.66 Å(20)
3.12 Å(70)
3.08 Å(100)
2.27 Å(20)
1.981 Å(30)
1.831 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
47a : [Near-surface hydration of prior minerals]
47b : [Sulfates and sulfites]
Stage 10b: Anthropogenic minerals<10 Ka
55 : Anthropogenic mine minerals
Geological Setting:
In the oxidized zones of sulfide deposits as a secondary mineral.

Type Occurrence of HydroniumjarositeHide

Synonyms of HydroniumjarositeHide

Other Language Names for HydroniumjarositeHide

Relationship of Hydroniumjarosite to other SpeciesHide

Other Members of Alunite Group:
AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
Ammonioalunite(NH4)Al3(SO4)2(OH)6Trig.
Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m
Beaverite-(Cu)Pb(Fe3+2Cu)(SO4)2(OH)6Trig. 3m(32/m) : R3m
Beaverite-(Zn)Pb(Fe3+2Zn)(SO4)2(OH)6Trig. 3m(32/m) : R3m
DorallchariteTlFe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
HuangiteCa0.5Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
JarositeKFe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
'Natroalunite-2c'(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
OsarizawaitePb(Al2Cu2+)(SO4)2(OH)6Trig. 3m(32/m) : R3m
PlumbojarositePb0.5Fe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
WalthieriteBa0.5Al3(SO4)2(OH)6Trig.

Common AssociatesHide

Associations Based on Photo Data:
9 photos of Hydroniumjarosite associated with QuartzSiO2
4 photos of Hydroniumjarosite associated with OliveniteCu2(AsO4)(OH)
2 photos of Hydroniumjarosite associated with HemimorphiteZn4Si2O7(OH)2 · H2O
2 photos of Hydroniumjarosite associated with GypsumCaSO4 · 2H2O
2 photos of Hydroniumjarosite associated with PovondraiteNaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3O
1 photo of Hydroniumjarosite associated with CoquimbiteAlFe3(SO4)6(H2O)12 · 6H2O
1 photo of Hydroniumjarosite associated with Rhomboclase(H5O2)Fe3+(SO4)2 · 2H2O
1 photo of Hydroniumjarosite associated with VanadinitePb5(VO4)3Cl
1 photo of Hydroniumjarosite associated with SchwertmanniteFe3+16(OH,SO4)12-13O16 · 10-12H2O
1 photo of Hydroniumjarosite associated with GalenaPbS

Related Minerals - Strunz-mindat GroupingHide

7.BC.ViskontitePb5Cu2(SO4)3(SeO3)(OH)6Orth. mm2 : Pmn21
7.BC.ZincochenitePb4Zn(OH)6(SO4)2Tric. 1 : P1
7.BC.D'Ansite-(Mn)Na21Mn2+(SO4)10Cl3Iso. 43m : I43d
7.BC.D'Ansite-(Fe)Na21Fe2+(SO4)10Cl3Iso. 43m : I43d
7.BC.Acmonidesite(NH4,K,Pb)8NaFe2+4(SO4)5Cl8Orth. 222 : C2221
7.BC.Adranosite(NH4)4NaAl2(SO4)4Cl(OH)2Tet. 4/mmm(4/m2/m2/m) : I41/acd
7.BC.ChromviskontitePb5Cu2(CrO4)3(SeO3)(OH)6Orth. mm2 : Pmn21
7.BC.BackitePb2AlTeO6ClTrig. 32 : P312
7.BC.Adranosite-(Fe)(NH4)4NaFe3+2(SO4)4Cl(OH)2Tet. 4/mmm(4/m2/m2/m) : I41/acd
7.BC.AgaitePb3CuTeO5(OH)2(CO3) Orth. mm2 : Pca21
7.BC.WildcatiteCaFe3+Te6+O5(OH)Trig. 3m(32/m) : P31m
7.BC.HagstromitePb8Cu2+(Te6+O6)2(CO3)Cl4Orth. mmm(2/m2/m2/m) : Ibam
7.BC.05D'AnsiteNa21Mg(SO4)10Cl3Iso. 43m : I43m
7.BC.07'Apatelite'Fe3(SO4)2(OH)5 · 0.5H2O
7.BC.07'Unnamed (Ba-Fe Vanadate)'Ba, Fe, V, O, H
7.BC.10JarositeKFe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10DorallchariteTlFe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Beaverite-(Cu)Pb(Fe3+2Cu)(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10Beaverite-(Zn)Pb(Fe3+2Zn)(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10WalthieriteBa0.5Al3(SO4)2(OH)6Trig.
7.BC.10HuangiteCa0.5Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10'Natroalunite-2c'(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10PlumbojarositePb0.5Fe3+3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10Karlseifertite Pb(Ga2Ge)(AsO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10Ammonioalunite(NH4)Al3(SO4)2(OH)6Trig.
7.BC.10Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10OsarizawaitePb(Al2Cu2+)(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.10Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig. 3m(32/m) : R3m
7.BC.15Ye'elimiteCa4Al6(SO4)O12Iso. 432 : I4132
7.BC.20NabokoiteKCu7(SO4)5(Te4+O3)OClTet. 4/mmm(4/m2/m2/m) : P4/ncc
7.BC.20PuniniteNa2Cu3O(SO4)3Mon. 2/m : B2/b
7.BC.20AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm(4/m2/m2/m) : P4/ncc
7.BC.25ChlorothioniteK2Cu(SO4)Cl2Orth. mmm(2/m2/m2/m) : Pnma
7.BC.30EuchlorineKNaCu3(SO4)3OMon. 2/m
7.BC.30FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
7.BC.35KamchatkiteKCu3(SO4)2OClOrth. mmm(2/m2/m2/m) : Pnma
7.BC.40PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet. 4 : I4
7.BC.45AlumoklyuchevskiteK3Cu3(Al,Fe3+)(SO4)4O2Tric. 1 : P1
7.BC.45BelousoviteKZn(SO4)ClMon. 2/m : P21/b
7.BC.45KlyuchevskiteK3Cu3(Fe3+,Al)(SO4)4O2Mon. 2
7.BC.47MülleritePb2Fe3+(Te6+O6)ClTrig. 32 : P3112
7.BC.50CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
7.BC.50ElasmochloiteNa3Cu6BiO4(SO4)5Mon. 2/m
7.BC.52Eleomelanite(K2Pb)Cu4O2(SO4)4Mon. 2/m
7.BC.55FalgariteK4(VO)3(SO4)5Mon. 2/m : B2/b
7.BC.55WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
7.BC.57KrasheninnikoviteKNa2CaMg(SO4)3FHex. 6/mmm(6/m2/m2/m) : P63/mcm
7.BC.60WulffiteK3NaCu4O2(SO4)4Orth. mm2
7.BC.60ParawulffiteK5Na3Cu8O4(SO4)8Mon. 2/m : P2/b
7.BC.60MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
7.BC.62ShuvaloviteK2(Ca2Na)(SO4)3FOrth. mmm(2/m2/m2/m) : Pnma
7.BC.65SaccoiteCa2Mn3+2F(OH)8 · 0.5(SO4)Tet. 4/mmm(4/m2/m2/m) : P4/ncc
7.BC.65LinaritePbCu(SO4)(OH)2Mon. 2/m : P21/m
7.BC.65Therasiaite(NH4)3KNa2Fe2+Fe3+(SO4)3Cl5Mon. m : Bb
7.BC.65FranksousaitePbCu(Se6+O4)(OH)2Mon. 2/m : P21/m
7.BC.65MunakataitePb2Cu2(Se4+O3)(SO4)(OH)4Mon. 2/m : P21/m
7.BC.65SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4Mon. 2/m : P21/m
7.BC.70ChenitePb4Cu(SO4)2(OH)6Tric. 1 : P1
7.BC.75KrivovichevitePb3Al(OH)6(SO4)(OH)Trig. 3m : R3c
7.BC.80AnhydrokainiteKMg(SO4)Cl

Other InformationHide

Notes:
Insoluble in water. Soluble in HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
None.

Internet Links for HydroniumjarositeHide

References for HydroniumjarositeHide

Reference List:

Localities for HydroniumjarositeHide

Showing 104 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.
Antarctica
 
  • East Antarctica
    • Queen Maud Land
      • Lützow-Holm Bay
        • East Ongul Island
Watanuki/ Torii/ Nishiyama/ Morikawa
Vennum +1 other reference
Australia
 
  • Australian Capital Territory
    • Paddy's River District
McQueen +2 other references
  • New South Wales
    • Robinson Co.
      • Cobar
Gilligan et al. (1995)
  • South Australia
    • Pastoral Unincorporated Area
      • Bimbowrie Conservation Park
        • Old Boolcoomata Station
SA Geodata Database - Mineral Deposit ...
Ron Gyllenhammer Collection
      • Outalpa
        • Outalpa siding
Noble et al. (1983)
Austria
 
  • Carinthia
    • Wolfsberg District
      • Wolfsberg
        • Lading
Niedermayr et al. (1995)
  • Styria
    • Bruck-Mürzzuschlag District
      • Sankt Barbara im Mürztal
        • Veitsch
          • Sattlerkogel
Taucher (2012)
Belgium
 
  • Flanders
    • Limburg
      • Maasmechelen
        • Eisden
Van Tassel (1956) +1 other reference
  • Wallonia
    • Luxembourg
      • Vielsalm
        • Cahay
Blondieau et al. (2017)
Brazil
 
  • São Paulo
    • Itaquaquecetuba
Atencio et al. (2011)
Canada
 
  • Northwest Territories
    • Fort Norman
Battler et al. (2013)
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Mejillones
        • Mejillones peninsula
SEM-EDS by Joy Desor +1 other reference
      • Sierra Gorda
SEM-EDS and Wet Chemical by Joy Desor ...
  • Arica y Parinacota
    • Arica Province
      • Los Camarones valley
Samples analysed by Tony Kampf of LAC ... +1 other reference
Kampf et al. (2013)
China
 
  • Guangdong
    • Shaoguan
      • Qujiang District
Liu et al. (2018)
Cyprus
 
  • Paphos District
    • Kinousa
Palache et al. (1951)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
Hloušek et al. (2002)
  • Moravian-Silesian Region
    • Frýdek-Místek District
      • Dobrá
Matýsek et al. (2023)
  • Olomouc Region
    • Jeseník District
Kuttna +1 other reference
    • Šumperk District
      • Staré Město
        • Velké Vrbno
Matýsek et al. (2024)
Finland
 
  • North Karelia
    • Joensuu
Palache et al. (1951) +1 other reference
France
 
  • Auvergne-Rhône-Alpes
    • Cantal
      • Saint-Flour
        • Molèdes
Blondieau et al. (2025)
  • Grand Est
    • Haut-Rhin
      • Thann-Guebwiller
        • Kruth
Kolitsch (1997)
  • Occitanie
    • Gard
      • Le Vigan
        • Saint-Sauveur-Camprieu
Photo Mindat Hydroniumjarosite Id ...
Germany
 
  • North Rhine-Westphalia
    • Arnsberg
      • Hochsauerlandkreis
        • Arnsberg
          • Uentrop
Schnorrer-Köhler (1989)
      • Märkischer Kreis
        • Iserlohn
          • Letmathe
            • Helmke quarry nature reserve
Schnorrer-Köhler (1986) +1 other reference
      • Siegen-Wittgenstein
        • Siegen
          • Eiserfeld
Henrich (2008)
    • Cologne
      • Rheinisch-Bergischer Kreis
        • Overath
          • Steinenbrück
            • Altenbrück
Weiß (1990)
  • Saxony
    • Mittelsachsen
      • Freiberg
        • Himmelfahrt Mine
XRD and EDX analysis T. Witzke
  • Thuringia
    • Greiz District
      • Kauern
Witzke et al. (1998)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Agios Konstantinos (Kamariza)
          • Kamariza Mines (Kamareza Mines)
Rieck et al. (1999) +1 other reference
          • Mercati mines
        • Elafos
          • Chaos mines
        • Legrena Valley
  • Eastern Macedonia and Thrace
    • Evros
      • Alexandroupoli
Triantafyllidis et al. (2007)
Greenland
 
  • Avannaata
Bøggild (1953)
  • Sermersooq
    • Nuuk
Bøggild (1953)
Hungary
 
  • Komárom-Esztergom County
Szakáll et al. (1997)
Iran
 
  • Kerman Province
    • Sirjan County
      • Pariz
Khorasanipour (2015)
Ireland
 
  • Munster
    • Kerry County
Moreton et al. (1995)
      • Killarney
S. MORETON et al. (1999)
Italy
 
  • Sardinia
    • Metropolitan City of Cagliari
      • Sarroch
Fernando Caboni et al. (2023)
    • South Sardinia Province
Fernando Caboni et al. (2024)
Fernando Caboni et al. (2024)
  • Tuscany
    • Livorno Province
      • Rio
        • Rio Marina
          • Rio Mine
P. Roegner - (raggi X, EDS) +1 other reference
Japan
 
  • Kagoshima Prefecture
    • Kagoshima District
      • Mishima village
        • Satsuma-Ioujima (Satsuma-Iwojima; Iou island)
          • Iodake (Iwodake; Ioudake)
Africano et al. (2002)
Mexico
 
  • Chihuahua
    • Saucillo Municipality
      • Naica
Querol +1 other reference
  • Sonora
    • Santa Cruz Municipality
      • Milpillas
Jones et al. (2021)
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Amerzgane Cercle
        • Ouisselsate Caïdat
Favreau (2012)
  • Marrakesh-Safi Region
    • Marrakech Prefecture
      • Bour Cercle
Hakkou et al. (2008)
North Macedonia
 
  • Kavadarci Municipality
    • Ržanovo
      • Allchar
Đorđević et al. (2021)
Norway
 
  • Trøndelag
    • Ørland
      • Bjugn
        • Stefføya
Johansen et al. (2022)
Pakistan
 
  • Khyber Pakhtunkhwa Province
    • Swabi District
M. Qasim Jan et al. (1985)
Poland
 
  • Lesser Poland Voivodeship
    • Tatra County
Jambor et al. (1963)
  • Lower Silesian Voivodeship
    • Kłodzko County
      • Nowa Ruda
        • Słupiec Mine
Ciesielczukk
    • Wałbrzych
      • Śródmieście
Geography and Geology] 9 +2 other references
    • Ząbkowice Śląskie County
      • Gmina Bardo
        • Dębowina
Nejbert et al. (2013)
      • Gmina Złoty Stok
L. Kruszewski collection
  • Silesian Voivodeship
    • Wodzisław County
      • Radlin
Kruszewski et al. (2020)
  • Świętokrzyskie Voivodeship
    • Kielce County
      • Nowa Słupia
        • Rudki
Bull.Acad.polonaise et al. (1960)
Romania
 
  • Bistrița-Năsăud County
Onac et al. (2011)
  • Hunedoara County
    • Certeju de Sus
      • Bocşa Mare
Apopei et al. (2014) +1 other reference
Slovakia
 
  • Banská Bystrica Region
    • Banská Štiavnica District
      • Banská Štiavnica
Martin Števko-unpublished
Spain
 
  • Andalusia
    • Almería
      • Santa Cruz de Marchena
Sainz de Baranda Graf et al. (2025) +1 other reference
    • Huelva
      • El Cerro de Andévalo
Shuster et al. (2017)
  • Aragon
    • Teruel
      • Camañas
Calvo Rebollar (2014)
  • Castile-La Mancha
    • Ciudad Real
      • Almadenejos
Sainz de Baranda Graf et al. (2019)
  • Catalonia
    • Barcelona
      • Baix Llobregat
        • Molins de Rei
          • Sant Bartomeu de la Quadra
Mingueza et al. (Min. Catalunya/Paragénesis, 2025)
UK
 
  • England
    • Cumbria
      • Eden
        • Alston Moor
          • Nenthead
SEM image on Mineral Paradice Webb Site. This appears to be Hydroniumjarosite (priv com David Green)
  • Wales
    • Gwynedd
      • Dolgellau
Cotterell (2006)
USA
 
  • Arizona
    • Cochise County
      • Tombstone Mining District
Luetcke (n.d.)
    • Gila County
      • Sierra Ancha Mountains
        • Sierra Ancha Mining District
          • Board Tree Saddle area
            • Cherry Creek Canyon
Granger (1969) +1 other reference
  • Nevada
    • Clark County
      • Spring Mountains
        • Goodsprings Mining District
Castor et al. (2004)
    • Eureka County
      • Carlin Trend
        • Maggie Creek Mining Subdistrict
Newmont Mining Corporation
Barrick Gold Corporation
    • Humboldt County
Castor et al. (2004)
    • Lincoln County
      • Atlanta Mining District
Castor et al. (2004)
NBMG Bull 73 Geology and Mineral ...
      • Bristol and Jackrabbit Mining Districts
Castor et al. (2004)
Bob Werner (2009)
  • New Mexico
    • Cibola County
      • Laguna subdistrict
Caldwell (2018)
    • Doña Ana County
      • Organ Mountains
Northrop et al. (1996)
Northrop et al. (1996)
    • Grant County
Northrop et al. (1996)
        • Georgetown
Walstrom (n.d.)
Northrop et al. (1996)
Walstrom (n.d.)
    • Hidalgo County
      • Peloncillo Mountains
        • San Simon Mining District
          • Kimball
Walstrom (n.d.)
  • North Carolina
    • Swain County
      • Great Smoky Mountains
Environmental Geology: 45: 47. +1 other reference
  • South Dakota
    • Yankton County
      • Pierre shale
Roberts et al. (1965)
Rocks & Min. vol. 72 (1997)
...
  • Utah
    • Juab County
      • Eureka
Dana 6:1092 & A3:45 +2 other references
    • San Juan County
      • White Canyon Mining District
Haynes (2000)
    • Tooele County
      • Gold Hill Mining District (Clifton Mining District)
Spectrochimica Acta Part A: Molecular ...
  • Washington
    • Chelan County
      • Railroad Creek Mining District
Kilburn et al. (1996)
Mars
 
  • Aeolis quadrangle
    • Gusev Crater
      • Columbia Hills
        • Home Plate
Johnson et al. (2007) +1 other reference
        • Inner Basin
Johnson et al. (2007) +1 other reference
 
and/or  
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