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Chalcoalumite

A valid IMA mineral species - grandfathered
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About ChalcoalumiteHide

Formula:
CuAl4(SO4)(OH)12 · 3H2O
Colour:
Turquoise-green, pale blue, bluish-grey; colourless in transmitted light.
Lustre:
Vitreous, Sub-Vitreous, Dull
Hardness:
Specific Gravity:
2.29
Crystal System:
Monoclinic
Name:
In allusion to its composition, containing copper (CHALC-) and ALUMinum.
Chalcoalumite Group.

Compare also the chemically similar woodwardite.

A chalcoalumite-related, Sb-bearing mineral is described by Kolitsch et al. (2012). Its X-ray powder diffraction pattern is somewhat similar to that of chalcoalumite. The mineral may contain Sb(OH)6 groups replacing SO4 groups in the anionic interlayer.


Unique IdentifiersHide

Mindat ID:
961
Long-form identifier:
mindat:1:1:961:8
GUID
(UUID V4):
6eca13f9-80b8-46b8-b09b-90250362d483

IMA Classification of ChalcoalumiteHide

Approved, 'Grandfathered' (first described prior to 1959)
First published:
1925

Classification of ChalcoalumiteHide

7.DD.75

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra
31.3.1.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)5(XO4)Zq·xH2O
25.2.19

25 : Sulphates
2 : Sulphates of Cu and Ag

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
CcaIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
CcmThe 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 ChalcoalumiteHide

Vitreous, Sub-Vitreous, Dull
Transparency:
Transparent, Translucent
Comment:
Outer layers of structures are vitreous.
Colour:
Turquoise-green, pale blue, bluish-grey; colourless in transmitted light.
Streak:
White
Hardness:
2½ on Mohs scale
Tenacity:
Sectile
Cleavage:
Distinct/Good
Several perfect probable. {100}
Density:
2.29 g/cm3 (Measured)    2.25 g/cm3 (Calculated)

Optical Data of ChalcoalumiteHide

Type:
Biaxial (+)
RI values:
nα = 1.520 nβ = 1.520 nγ = 1.530
Birefringence:
0.01
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively strong r
Optical Extinction:
Y = b; Z ∧ c = 22°.
Pleochroism:
Weak
Comments:
X = pale green; Y = colorless; Z = robin's egg blue.
Comments:
2V small.

Chemistry of ChalcoalumiteHide

Mindat Formula:
CuAl4(SO4)(OH)12 · 3H2O

Crystallography of ChalcoalumiteHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
P21
Cell Parameters:
a = 17.09 Å, b = 8.92 Å, c = 10.22 Å
β = 95.88°
Ratio:
a:b:c = 1.916 : 1 : 1.146
Unit Cell V:
1,549.77 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Occurs as rather porous, botryoidal crusts comprised of minute, matted fibers. Relatively large, lath-like crystals coat the outsides of the structures.
Twinning:
Twinning of the laths sometimes apparent with the composition face parallel to the long edge and nearly normal to the flat face. These exhibit re-entrant angles, with symmetrical faces and extinction.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019969ChalcoalumiteHawthorne F C, Cooper M A (2013) The crystal structure of chalcoalumite: mechanisms of Jahn-Teller-driven distortion in [6]Cu2+-containing oxysalts Mineralogical Magazine 77 2901-29122013Bisbee, Arizona, USA0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.502 Å(100)
7.898 Å(22)
5.100 Å(13)
6.71 Å(9)
6.39 Å(6)
6.10 Å(8)
5.45 Å(8)
5.10 Å(13)
4.786 Å(22)
4.57 Å(9)
4.31 Å(6)
4.250 Å(91)
4.178 Å(23)
3.85 Å(3)
3.71 Å(5)
3.50 Å(6)
3.34 Å(5)
3.18 Å(9)
3.06 Å(9)
2.822 Å(5)
2.726 Å(8)
2.633 Å(8)
2.585 Å(7)
2.520 Å(11)
Comments:
ICDD 25-1430. See also ICDD 8-142.

Geological EnvironmentHide

Type Occurrence of ChalcoalumiteHide

General Appearance of Type Material:
Thin crusts.
Place of Conservation of Type Material:
Harvard University, Cambridge, Massachusetts, USA, number 87005–87008.
Natural History Museum, London, England, number 1961,27.
National Museum of Natural History, Washington, D.C., USA, numbers 95226, R6326.
Associated Minerals at Type Locality:

Other Language Names for ChalcoalumiteHide

Relationship of Chalcoalumite to other SpeciesHide

Other Members of this group:
KyrgyzstaniteZnAl4(SO4)(OH)12 · 3H2OMon. 2/m
Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon. 2 : P21
NickelalumiteNiAl4(SO4)(OH)12(H2O)3Mon. 2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
92 photos of Chalcoalumite associated with AzuriteCu3(CO3)2(OH)2
84 photos of Chalcoalumite associated with CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2O
71 photos of Chalcoalumite associated with BrochantiteCu4(SO4)(OH)6
61 photos of Chalcoalumite associated with MalachiteCu2(CO3)(OH)2
40 photos of Chalcoalumite associated with GrandviewiteCu3Al2(SO4)(OH)10 · H2O
36 photos of Chalcoalumite associated with CupriteCu2O
29 photos of Chalcoalumite associated with GypsumCaSO4 · 2H2O
25 photos of Chalcoalumite associated with LinaritePbCu(SO4)(OH)2
22 photos of Chalcoalumite associated with SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
20 photos of Chalcoalumite associated with GibbsiteAl(OH)3

Related Minerals - Strunz-mindat GroupingHide

7.DD.AsagiiteNiCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2OMon. 2 : P21
7.DD.07LlantenesiteCu6Al[SeO4](OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2OMon. m
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
7.DD.10GobeliniteCoCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/m
7.DD.10FehriteMgCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
7.DD.15KobyasheviteCu5(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.15Unnamed (Dimorph of Devilline)CaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.20KtenasiteZnCu4(SO4)2(OH)6 · 6H2OMon. 2/m : P21/b
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2OTric. 1 : P1
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon. 2 : B2
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OOrth. mm2 : Pca21
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2OMon. 2/m : B2/b
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2OMon. 2/m : P21/m
7.DD.30EdwardsiteCu3Cd2(SO4)2(OH)6 · 4H2O Mon. 2/m : P21/b
7.DD.35Carrboydite(Ni1-xAlx)(SO4)x/2(OH)2 · nH2OHex.
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35Honessite(Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35Hydrohonessite(Ni1-xFe3+x)(OH)2(SO4)x/2 · nH2OHex.
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
7.DD.35Mountkeithite[(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
7.DD.35WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
7.DD.35ZincowoodwarditeZn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.
7.DD.35NatroglaucoceriniteZn6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OHex.
7.DD.35NikischeriteFe2+6Al3(OH)18[Na(H2O)6](SO4)2 · 6H2OTrig. 3 : R3
7.DD.40IsseliteCu6(SO4)(OH)10 · 5H2OOrth. mm2 : Pmn21
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.40Torreyite(Mg,Mn2+)72Mn2+2Zn4(SO4)2(OH)22 · 8H2OMon. 2/m : P21/b
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2OMon. 2/m : P2/b
7.DD.45Hodgesmithite(Cu,Zn)6Zn(SO4)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.47LahnsteiniteZn4(SO4)(OH)6 · 3H2O Tric. 1 : P1
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2OTrig. 3 : P3
7.DD.50Minohlite(Cu,Zn)7(SO4)2(OH)10 · 8H2OHex.
7.DD.52LauraniiteCu6Cd2(SO4)2(OH)12 · 5H2OMon. 2/m : P21/b
7.DD.55BechereriteZn7Cu(OH)13[(SiO(OH)3(SO4)]Trig. 3 : P3
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2OMon. 2/m
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2OMon. 2/m : P21/b
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2OMon. 2/m : P21/b
7.DD.75NickelalumiteNiAl4(SO4)(OH)12(H2O)3Mon. 2/m
7.DD.75KyrgyzstaniteZnAl4(SO4)(OH)12 · 3H2OMon. 2/m
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2OHex.
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2OTrig. 3
7.DD.80ThérèsemagnaniteNaCo4(SO4)(OH)6Cl · 6H2OTrig. 3 : P3
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2OTrig. 3 : P3
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2OOrth. mm2 : Cmc21

Fluorescence of ChalcoalumiteHide

Not fluorescent in UV.

Other InformationHide

Notes:
Slowly soluble in cold dilute acids, easily soluble in hot acids.
Observed altered to gibbsite.
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 ChalcoalumiteHide

References for ChalcoalumiteHide

Localities for ChalcoalumiteHide

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.

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.
Australia
 
  • Queensland
    • City of Mount Isa
      • Gunpowder District
        • Mount Gordon
Day et al. (1996)
  • Tasmania
    • Break O'Day municipality
      • Scamander mining district
Bottrill et al. (2008)
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Frauenstein
        • Äußere Wimitz
G. Blass (2001)
      • Mölbling
Niedermayr et al. (1995)
Puttner
    • Spittal an der Drau District
      • Malta
        • Kleinelend glacier
Mikl et al. (2014)
  • Lower Austria
    • Neunkirchen District
      • Prigglitz
        • Gasteil
Kolitsch et al. (2014)
  • Salzburg
    • Zell am See District
      • Bramberg am Wildkogel
        • Nasenkopf mountain
Brandstätter et al. (2010)
      • Rauris
Kolitsch (2014)
      • Uttendorf
U. Kolitsch et al. (2012)
  • Styria
    • Bruck-Mürzzuschlag District
      • Breitenau am Hochlantsch
        • Hochlantsch
U.Kolitsch 2011 +1 other reference
    • Leoben District
      • Kammern im Liesingtal
        • Seiz
          • Wolfsgruben (Wolfgruben)
Kolitsch et al. (2011)
    • Liezen District
      • Rottenmann
        • Bärndorf
C.Auer (2013)
  • Tyrol
    • Imst District
      • Sankt Leonhard im Pitztal
Gröbner et al. (2012)
    • Kitzbühel District
      • Jochberg
        • Kupferplatte
Kolitsch (2014)
Belgium
 
  • Flanders
    • Limburg
      • Dilsen-Stokkem
        • Rotem
Ottenburgs et al. (1998)
  • Wallonia
    • Liège
      • Plombières
van Tassel et al. (1979)
    • Luxembourg
      • Vielsalm
        • Cahay
BLONDIEAU M. et al. (2017)
du Ry et al. (1976) +1 other reference
du Ry et al. (1976) +2 other references
    • Namur
      • Andenne
        • Seilles
Bulgaria
 
  • Smolyan Province
Bulgarian Academy of Sciences Annual ...
Canada
 
  • British Columbia
    • Kamloops Mining Division
      • Cache Creek
Peatfield (n.d.) +1 other reference
  • Ontario
    • Rainy River District
      • Little Turtle Lake Area
Sabina (1991)
Chile
 
  • Atacama
    • Copiapó Province
      • Zapallar mining district
Samples analysed by Dr. Jochen Schlüter (Hamburg University)
  • Tarapacá
    • Iquique Province
      • Chanabaya
Luigi Mattei specimen
    • Tamarugal Province
      • Pica
        • Collahuasi mining district
Samples analysed by Dr. Jochen Schlüter (Hamburg University) +1 other reference
Czech Republic
 
  • Karlovy Vary Region
Jakub Plasil
France
 
  • Brittany
    • Finistère
      • Châteaulin
        • Poullaouen
Germain C. et al. (1990)
  • Occitanie
    • Aveyron
      • Rodez
        • Pruines
          • Le Kaymar
Lheur (2023)
    • Gard
      • Le Vigan
        • Alzon
Georges Favreau collection
Germany
 
  • Hesse
    • Kassel Region
      • Hersfeld-Rotenburg
        • Nentershausen
          • Süß
            • Richelsdorf Smelter
Weiß (1990)
  • Lower Saxony
    • Goslar District
      • Clausthal-Zellerfeld
        • Oberschulenberg
Schellhorn et al. (1989)
  • North Rhine-Westphalia
    • Arnsberg
      • Märkischer Kreis
        • Iserlohn
          • Letmathe
            • Helmke quarry nature reserve
Bender et al. (1994)
      • Siegen-Wittgenstein
        • Hilchenbach
          • Müsen
Matthias Reinhardt (2011)
Mineralien-Welt 6/2007
        • Neunkirchen
Henrich (2010)
        • Siegen
          • Alt-Siegen
            • Achenbach
Reinhardt (1997) +1 other reference
          • Eiserfeld
Wittern (2001)
            • Gilberg
Henrich (2010)
            • Kohlenbach Valley
Henrich (2009)
          • Gosenbach
Henrich (2010)
Henrich & Reinhardt (2008) +1 other reference
          • Niederschelden
Henrich (2010)
    • Cologne
      • Oberbergischer Kreis
        • Engelskirchen
          • Loope
Habel et al. (2009)
  • Rhineland-Palatinate
    • Altenkirchen
      • Betzdorf-Gebhardshain
        • Kausen
Wittern (2001)
      • Daaden-Herdorf
        • Herdorf
Reinhardt & Henrich (2005) +1 other reference
      • Kirchen (Sieg)
        • Brachbach
Henrich (2010)
Henrich (2010)
      • Wissen
        • Mittelhof
          • Steckenstein
Henrich (2010)
    • Rhein-Lahn-Kreis
      • Lahnstein
        • Friedrichssegen
Lapis 38 (5) +1 other reference
  • Saxony-Anhalt
    • Harz
      • Harzgerode
        • Straßberg
Gröbner et al. (2011)
  • Saxony
    • Erzgebirgskreis
      • Annaberg-Buchholz
        • Kleinrückerswalde
Möhn et al. (10/2020)
      • Königswalde
Gröbner J. et al. (2006)
Lapis 30 (7/8)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion Mining District
          • Agios Konstantinos (Kamariza)
            • Kamariza Mines (Kamareza Mines)
Wendel (2000) +1 other reference
            • Mercati mines
Gröbner (2001)
Italy
 
  • Liguria
    • Genoa
      • Ne
analysed by Dr. Anthony Kampf
      • Sestri Levante
Palenzona et al. (1988)
  • Piedmont
    • Alessandria Province
      • Voltaggio
Piccoli et al. (2007)
    • Metropolitan City of Turin
      • Tavagnasco
Ciriotti et al. (2019)
  • Sardinia
    • Nuoro Province
      • Gadoni
Ciriotti et al. (2007)
    • South Sardinia Province
      • Villaputzu
Campostrini et al. (1999) +1 other reference
  • Tuscany
    • Grosseto Province
      • Massa Marittima
        • Prata
Bardi et al. (2017) +1 other reference
Sabelli C. et al. (GR)
  • Veneto
    • Vicenza Province
      • Torrebelvicino
        • Mercanti Valley
Domenico Saccardo (2019)
Domenico Saccardo (2019)
Japan
 
  • Hyogo Prefecture
    • Taka District
      • Kami-ku
Matsubara et al. (2006)
  • Niigata Prefecture
    • Higashikambara District
      • Aga
Kojiro (1999)
Lebanon
 
  • South Governorate
    • Jezzine District
Kruszewski et al. (South Lebanon)
Poland
 
  • Lower Silesian Voivodeship
    • Jawor County
      • Gmina Bolków
        • Radzimowice
          • Stara Góra deposit
Siuda (2001)
Portugal
 
  • Beja
    • Barrancos
      • Barrancos
Pedro Alves collection and analytical ...
Romania
 
  • Caraş-Severin County
    • Moldova Nouă
www.minerals-of-the-carpathians
  • Harghita County
Editor:Szakáll
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica District
      • Ľubietová
Sejkora (1993)
    • Revúca District
Ďuda et al. (2012)
South Africa
 
  • Mpumalanga
    • Ehlanzeni District Municipality
      • Mbombela Local Municipality
        • Mbombela
Martini (1997)
Cairncross et al. (1995)
Spain
 
  • Andalusia
    • Almería
      • Cuevas del Almanzora
Calvo Rebollar et al. (2022)
        • Sierra Almagrera
          • Jaroso Ravine
Valladares et al. (2021)
Valladares et al. (2021)
  • Catalonia
    • Barcelona
      • Vallès Occidental-Baix Llobregat
        • Sant Cugat del Vallès-El Papiol
Mineralogistes de Catalunya (2/3)
Sweden
 
  • Norrbotten County
    • Gällivare
Natural History Museum
    • Kiruna
      • Kiruna Town Mining District
  • Värmland County
    • Sunne
Persson (2006)
  • Västmanland County
    • Skinnskatteberg
      • Riddarhyttan
Mineralogical Society of America - ...
Switzerland
 
  • Valais
    • Sierre
      • Anniviers
        • Saint-Luc
Ansermet (2012)
UK
 
  • England
    • Cornwall
      • St Agnes
Ansermet (2007)
        • Porthtowan
The Russel Society
      • St Hilary
Golley et al. (1995) +1 other reference
    • Devon
      • West Devon
        • Gulworthy
Braithwaite et al. (1982)
  • Wales
    • Ceredigion
      • Upper Llanfihangell-y-Creuddyn
        • Pontrhydygroes
Camm (1993) +1 other reference
    • Gwynedd
      • Beddgelert
Bevins et al. (1985)
      • Llanelltyd
        • Vigra Mine
Day (1999)
USA
 
  • Arizona
    • Cochise County
Min.Rec.: 12: 299 +4 other references
King (n.d.)
        • Queen Hill
Palache et al. (1951)
King (n.d.)
Richard Graeme personal communications. +2 other references
        • Sacramento Hill
Williams (1971) +1 other reference
      • Turquoise Mining District (Courtland-Gleeson Mining District)
        • Courtland
          • Casey Hill
Luetcke (n.d.)
        • Great Western Group
Luetcke (n.d.)
Luetcke (n.d.)
    • Coconino County
      • Grandview Mining District
        • Horseshoe Mesa
Leicht (1971) +1 other reference
    • Gila County
      • Banner Mining District
        • Hayden area
          • Chilito
    • Yavapai County
      • Black Hills (Black Hill Range)
        • Verde Mining District
          • Jerome
Luetcke (n.d.)
  • Colorado
    • San Juan County
      • Animas Mining District
        • Silverton
          • Round Mountain
Eckel et al. (1997)
  • Nevada
    • Churchill County
      • Table Mountain Mining District
        • Cottonwood Canyon
          • Bolivia
Castor et al. (2004)
Thorne (n.d.)
  • New Jersey
    • Sussex County
      • Ogdensburg
        • Sterling Hill
Peter Chin
Peter Chin
  • New Mexico
    • Socorro County
      • Magdalena Mining District
Virgil Lueth
  • Utah
    • San Juan County
      • Red Canyon Mining District
Thorne (n.d.)
      • White Canyon Mining District
Anatoly Kasatkin analyses
    • Tooele County
      • Ophir Mining District
        • Ophir
Rocks & Minerals 83:1 pp 52-62
 
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