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Montgomeryite

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About MontgomeryiteHide

Arthur Montgomery
Formula:
Ca4MgAl4(PO4)6(OH)4 · 12H2O
Colour:
Dark green to light green, colourless, red, yellow
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
2.53
Crystal System:
Monoclinic
Name:
After Arthur Montgomery (1909-1999), American Mineralogist, Professor of Geology, Lafayette College, Easton, Pennsylvania, USA, who collected the first specimens.
Isostructural with:
The Mg analogue of Kingsmountite.

A secondary mineral in sedimentary phosphate nodules and as a late-stage mineral in highly oxidized phosphate nodules in granitic pegmatite.




Classification of MontgomeryiteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.DH.25

8 : PHOSPHATES, ARSENATES, VANADATES
D : Phosphates, etc. with additional anions, with H2O
H : With large and medium-sized cations, (OH, etc.):RO4 < 1:1
42.11.8.1

42 : HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
11 : (AB)3(XO4)2Zq·xH2O
19.8.12

19 : Phosphates
8 : Phosphates of Al and other metals

Physical Properties of MontgomeryiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Dark green to light green, colourless, red, yellow
Comment:
Coloration may be zoned.
Hardness:
Cleavage:
Perfect
On {010}, perfect; on {100}, poor.
Density:
2.53 g/cm3 (Measured)    2.523 g/cm3 (Calculated)

Optical Data of MontgomeryiteHide

Type:
Biaxial (-)
RI values:
nα = 1.572 nβ = 1.578 nγ = 1.582
2V:
Measured: 75° , Calculated: 78°
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:
r < v strong
Pleochroism:
Weak
Comments:
X = Colourless to pale green
Y = Z = Colourless

also, may exhibit:

X = Light orange-brown
Y = Pale magenta-pink
Z = Light orange-brown

Chemical Properties of MontgomeryiteHide

Formula:
Ca4MgAl4(PO4)6(OH)4 · 12H2O

Crystallography of MontgomeryiteHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Cell Parameters:
a = 10.02 Å, b = 24.12 Å, c = 6.24 Å
β = 91.55°
Ratio:
a:b:c = 0.415 : 1 : 0.259
Unit Cell V:
1,507.55 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals lathlike, flattened on {010} and elongated and striated along [001]; terminated by pyramids. {010} dominant, with many {hk0} vicinal prism forms. Commonly occur in subparallel growths in contact on {010}. Massive; as subparallel aggregates of coarse plates.

Type Occurrence of MontgomeryiteHide

Place of Conservation of Type Material:
Harvard University, Cambridge, Massachusetts, USA: #95481.
Geological Setting of Type Material:
Phosphate nodules in sedmimentary rocks.
Associated Minerals at Type Locality:

Other Language Names for MontgomeryiteHide

Relationship of Montgomeryite to other SpeciesHide

Other Members of this group:
CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2OMon. 2 : B2
ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.

Common AssociatesHide

Carbonate-rich ApatiteSynonyms pertaining to undifferentiated carbonate-bearing apatites are listed in this file.
EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2O
FairfielditeCa2(Mn2+,Fe2+)(PO4)2 · 2H2O
MitridatiteCa2Fe3+3(PO4)3O2 · 3H2O
RobertsiteCa2Mn3+3(PO4)3O2 · 3H2O
TriphyliteLiFe2+PO4
WhitlockiteCa9Mg(PO4)6(HPO4)
Associated Minerals Based on Photo Data:
Whitlockite26 photos of Montgomeryite associated with Whitlockite on mindat.org.
Variscite20 photos of Montgomeryite associated with Variscite on mindat.org.
Crandallite18 photos of Montgomeryite associated with Crandallite on mindat.org.
Wardite16 photos of Montgomeryite associated with Wardite on mindat.org.
Robertsite13 photos of Montgomeryite associated with Robertsite on mindat.org.
Fairfieldite7 photos of Montgomeryite associated with Fairfieldite on mindat.org.
Englishite7 photos of Montgomeryite associated with Englishite on mindat.org.
Mitridatite6 photos of Montgomeryite associated with Mitridatite on mindat.org.
Tiptopite6 photos of Montgomeryite associated with Tiptopite on mindat.org.
Millisite4 photos of Montgomeryite associated with Millisite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.DH.05MinyuliteKAl2(PO4)2(OH,F) · 4H2OOrth. mm2 : Pba2
8.DH.10LeucophosphiteKFe3+2(PO4)2(OH) · 2H2OMon. 2/m : P21/b
8.DH.10Spheniscidite(NH4,K)(Fe3+,Al)2(PO4)2(OH) · 2H2OMon.
8.DH.10TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
8.DH.15Jahnsite-(CaMnFe){Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMg){Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMnMn){Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15KeckiteCaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2OMon. 2/m : P2/b
8.DH.15Rittmannite{(Mn2+,Ca)}{Mn2+}{(Fe2+,Mn2+,Mg)2}{(Al,Fe3+)2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Whiteite-(CaFeMg){Ca}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Whiteite-(CaMnMg){Ca}{Mn2+}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m
8.DH.15Whiteite-(MnFeMg){(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2 · 8H2OMon. 2/m : P21/b
8.DH.15Jahnsite-(MnMnMn){Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Kaluginite(Mn2+,Ca)MgFe3+(PO4)2(OH) · 4H2OOrth.
8.DH.15Jahnsite-(CaFeFe){Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon.
8.DH.15Jahnsite-(NaFeMg)NaFe3+Mg2Fe3+2(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(NaMnMg){Na}{Mn3+}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2OMon. 2/m : P2/b
8.DH.15Jahnsite-(CaMgMg){Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2 · 8H2O
8.DH.20Manganosegelerite(Mn2+,Ca)(Mn2+,Fe2+,Mg)Fe3+(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.20SegeleriteCa2 Mg2 Fe3+2(PO4)4(OH)2 · 8H2OOrth. mmm (2/m 2/m 2/m) : Pcca
8.DH.20WilhelmvierlingiteCaMnFe3+(PO4)2(OH) · 2H2OOrth.
8.DH.20JuonniiteCaMgSc(PO4)2(OH) · 4H2OOrth.
8.DH.25CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
8.DH.25KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2OMon. 2 : B2
8.DH.25ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.
8.DH.30ArseniosideriteCa2Fe3+3(AsO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30KolfaniteCa2Fe3+3O2(AsO4)3 · 2H2OMon.
8.DH.30MitridatiteCa2Fe3+3(PO4)3O2 · 3H2OMon. 2/m : B2/b
8.DH.30PararobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. 2/m : P21/b
8.DH.30RobertsiteCa2Mn3+3(PO4)3O2 · 3H2OMon. m : Bb
8.DH.30Sailaufite(Ca,Na,☐)2Mn3+3(AsO4)2(CO3)O2 · 3H2OMon.
8.DH.35MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth.
8.DH.35PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.35Benyacarite(H2O,K)2(Mn2+,Fe2+)2(Fe3+,Ti)2Ti(PO4)4(O,F)2 · 14H2OOrth. mmm (2/m 2/m 2/m) : Pbca
8.DH.40XanthoxeniteCa4Fe3+2(PO4)4(OH)2 · 3H2OTric. 1 : P1
8.DH.45MahnertiteNaCu3(AsO4)2Cl · 5H2OTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
8.DH.50AndyrobertsiteKCdCu5(AsO4)4(H2AsO4) · 2H2OMon.
8.DH.50CalcioandyrobertsiteKCaCu5(AsO4)4(H2AsO4) · 2H2OMon. 2/m : P21/m
8.DH.55EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
8.DH.60BouazzeriteBi6(Mg,Co)11Fe3+14(AsO4)18(OH)4O12 · 86H2OMon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

42.11.8.2KingsmountiteCa4(Fe2+,Mn2+)Al4(PO4)6(OH)4 · 12H2OMon. 2 : B2
42.11.8.3CalcioferriteCa2Fe3+2(PO4)3(OH) · 7H2OMon. 2/m : B2/b
42.11.8.4ZodaciteCa4Mn2+Fe3+4(PO4)6(OH)4 · 12H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.8.1MontebrasiteLiAl(PO4)(OH)Tric. 1 : P1
19.8.2BrazilianiteNaAl3(PO4)2(OH)4Mon. 2/m : P2/b
19.8.3WarditeNaAl3(PO4)2(OH)4 · 2H2OTet. 4 2 2 : P41 21 2
19.8.4TancoiteLiNa2Al(PO4)(HPO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pbca
19.8.5Bertossaite(Li,Na)2(Ca,Fe2+,Mn2+)Al4(PO4)4(OH,F)4Orth.
19.8.6TinsleyiteKAl2(PO4)2(OH) · 2H2OMon.
19.8.7Taranakite(K,NH4)Al3(PO4)3(OH) · 9H2OTrig. 3m (3 2/m) : R3c
19.8.8FrancoanelliteK3Al5(PO4)2(HPO4)3 · 12H2OTrig.
19.8.9GordoniteMgAl2(PO4)2(OH)2 · 8H2OTric. 1 : P1
19.8.10AldermaniteMg5Al12(PO4)8(OH)22 · 32H2OOrth.
19.8.11OveriteCaMgAl(PO4)2(OH) · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbca
19.8.14FoggiteCaAl(PO4)(OH)2 · H2OOrth.
19.8.15GatumbaiteCaAl2(PO4)2(OH)2 · H2OMon. 2/m : P2/m
19.8.16CrandalliteCaAl3(PO4)(PO3OH)(OH)6Trig. 3m (3 2/m) : R3m
19.8.17Matulaite(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8 · 8H2OMon.
19.8.19LehiiteCaAl3(PO4)(PO3OH)(OH)6
19.8.20Millisite(Na,K)CaAl6(PO4)4(OH)9 · 3H2OTet.
19.8.21EnglishiteK3Na2Ca10Al15(PO4)21(OH)7 · 26H2OMon. 2/m
19.8.22KleemaniteZnAl2(PO4)2(OH)2 · 3H2OMon.
19.8.23MantienneiteKMg2Al2Ti(PO4)4(OH)3 · 15H2OOrth.
19.8.24PaulkerriteK(Mg,Mn2+)2(Fe3+,Al,Ti,Mg)2Ti(PO4)4(OH)3 · 15H2OOrth. mmm (2/m 2/m 2/m) : Pbca

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.

References for MontgomeryiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Larsen, E.S. (1940) American Mineralogist: 25: 315.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 978-979.
Moore, P.B. and Araki, T. (1974): Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]: its crystal structure and relation to vauxite, Fe2+2(H2O)4[Al4(OH)4(H2O)4(PO4)4]•4H2O. American Mineralogist 59, 843-850.
Fanfani, L., A. Nunzi, P.F. Zanazzi, and A.R. Zanzari (1976): Additional data on the crystal structure of montgomeryite. American Mineralogist 61, 12-14.
Dunn, P.J., W.L. Roberts, T.J. Campbell, and P.B. Leavens (1983): Red montgomeryite and associated minerals from the Tip Top pegmatite with notes on kingsmountite and calcioferrite. Mineralogical Record, 14, 195-197.
Ankinovich, E.A., S.G. Ankinovich, A.A. Dara, and F.A. Kurmakaeva (1983) Ferrous montgomeryite of the Kara-Tau. Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (Proceedings of the Russian Mineralogical Society), 112, 84-88 (in Russian with English abstract).

Internet Links for MontgomeryiteHide

Localities for MontgomeryiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
Trueman, N. A. (1965): The phosphate, volcanic, and carbonate rocks of Christmas Island, Indian Ocean. J. Geol. Soc. Australia 12, 261-283.
  • New South Wales
    • Westmoreland Co.
      • Oberon
Podgson RE, Osborne RAL, Colchester DM, Minerals of Jenolan Caves, New South Wales, Australia: Geological and Biological Interactions, Proceedings of the Linnean Society of New South Wales 134, 1-18.; Frost, R. L., Xi, Y., Palmer, S. J., & Pogson, R. E. (2012). Identification of montgomeryite mineral [Ca 4 MgAl 4 (PO 4) 6·(OH) 4· 12H 2 O] found in the Jenolan Caves—Australia. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 94, 1-5.
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
Pilkington, E. S., Segnit, E. R., Watts, J. and Francis, G. (1979): Kleemanite, a new zinc aluminium phosphate. Mineralogical Magazine 43, 93-95.
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
  • Victoria
    • Moorabool Shire
      • Bacchus Marsh
Birch, W.D. & Henry, D.J., 1993, Phosphate Minerals of Victoria, The Mineralogical Society of Victoria, Special Publication No. 3
  • Western Australia
    • Meekatharra Shire
      • Milgun Station
Mineralogical Magazine 39,577-579(1974);
    • Upper Gascoyne Shire
      • Woodlands station
Nickel, E. H. et al. (2008): The Woodlands variscite-gold occurrence in the north Gascoyne region of Western Australia. Australian Journal of Mineralogy 14, 27-36.
Austria
 
  • Styria
    • Leoben
Mitteilungen der Abteilung für Mineralogie am Landesmuseum Joanneum (1998), 62/63, 55-58.
Brazil
 
  • Minas Gerais
    • Itinga
      • Taquaral
Min Rec (1973) 4 (5), 207-213
Cape Verde
 
  • Barlavento Islands
Figueiredo, M. O.; Pereira da Silva, T.; Veiga, J. P.; Chevallier, P. (2003): Phosphatization of basaltic rocks from Sal Island, Cape Verde Archipelago: A microtopochemical approach using synchrotron radiation X-ray fluorescence. Journal de Physique IV: Proceedings, 104 (X-Ray Microscopy), 399-402.
France
 
  • Occitanie
    • Pyrénées-Orientales
Lacroix, A. (1910): Minéralogie de la France et de ses colonies, Librairie Polytechnique, Ch. Béranger Editeur, Tome IV, 724. Guitard, G. (2010): Catalogue raisonné de la collection de minérBerbain, C., Favreau, G. & Aymar, J. (2005): Mines et minéraux des Pyrénées-Orientales et des Corbières, Association Française de Microminéralogie Ed., 223.
Berbain, C., Favreau, G. & Aymar, J. (2005): Mines et minéraux des Pyrénées-Orientales et des Corbières, Association Française de Microminéralogie Ed., 223.; Quattropani, L., Charlet, L., Lumley, H. D., & Menu, M. (1999). Early Palaeolithic bone diagenesis in the Arago cave at Tautavel, France. Mineralogical Magazine, 63(6), 801-801.
Germany
 
  • Bavaria
    • Lower Bavaria
      • Zwiesel
        • Rabenstein
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Hesse
    • Odenwald
      • Heppenheim
        • Kirschhausen
A. Wittern: Mineralfundorte in Deutschland, Schweizerbart (Stuttgart), 2001
Israel
 
  • Haifa District
    • Mount Carmel
Goldberg, P. S. & Nathan, Y. (1975): Phosphate mineralogy of et-Tabun cave, Mount Carmel, Israel. Mineralogical Magazine 40, 253-258.
Italy
 
  • Sardinia
    • South Sardinia Province
      • Sarrabus-Gerrei
        • Sarrabus
Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010: parte seconda. Micro, 3/2011, 98-100.
  • Sicily
    • Trapani Province
      • Castellammare del Golfo
Vattano M., Audra P., Benvenuto F., Bigot J.-Y., De Waele J., Galli E., Madonia G., Nobécourt J.-C. (2013): Hypogenic Caves of Sicily (Southern Italy). 16th International Congress of Speleology, Czech Republic, Brno, July 21-28, 2013. Proceedings, Vol. 3, 144-149.
Kazakhstan
 
  • Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast')
    • Karatau Range
Bernard & Hyrsl (2004) Minerals and their Localities.
Mexico
 
  • Coahuila
    • Mun. de Cuatrociénegas
      • Cuatro Ciénegas (Cuatrociénegas de Carranza; Venustiano Carranza)
        • Limestone caves
Forti, P. et al. (2006): ACTA CARSOLOGICA 35/1, 79–98.
Morocco
 
  • Drâa-Tafilalet Region
    • Ouarzazate Province
      • Tazenakht
FRANSOLET, A.-M. (1987) Les phosphates secondaires de la pegmatite d'Angarf-Sud, Plaine des Zenaga, Anti-Atlas, Maroc Notes Serv. géol. Maroc, 43, n°321, 339-347
  • Marrakech-Safi Region
    • Rehamna Province
      • Jebilet Mtn (Djebilet Mtn)
        • Sidi Bou Othmane
Favreau, G. (2012): Deux pegmatites à phosphates de Sidi Bou Othmane (Maroc). Le Cahier des Micromonteurs, 3-2012, 71-109
Namibia
 
  • Erongo Region
    • Dâures
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 409 (in English).
Der Aufschluss 36:117-119
Portugal
 
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
  • Viseu District
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
  • Gauteng Province
    • Witwatersrand field
      • West Rand District (West Rand)
        • Far West Rand (West Wits Line)
          • Western Sector
            • Carletonville
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
  • North West Province
    • Dr Kenneth Kaunda District
      • Ventersdorp
Martini, I. (1978). Mineralogy of the Transvaal caves. South African Journal of Geology, 81(1), 47-54.
Spain
 
  • Catalonia
    • Barcelona
      • Baix Llobregat
Camprubí, A., Melgarejo, J.C., Proenza, J.A., Costa, F., Bosch, J., Estrada, A., Borrell, F., Yushkin, N.P., Andreichev, V.L., 2003. Mining and geological knowledge during the Neolithic: a geological study on the variscite mines at Gavà, Catalonia. Episodes, v. 26 (4), p. 295-301.
Melgarejo, J.C., Galí, S. and Ayora, C. (1988): Tinticite: new structural and chemical data. Neues Jahrbuch für Mineralogie, Monatshefte 1988, 446-453.
Joan Rosell - RosellMinerals
Bareche, E (2005) "Els minerals de Catalunya. Segle XX" Ed. Grup Mineralògic Català, Barcelona, 269 p.
      • Vallès Occidental
        • Montcada i Reixac
Mineralogistes de Catalunya (1997), VII (1): 34-55
  • Navarre
    • Esteríbar
      • Eugui
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp.
Sweden
 
  • Lappland
    • Kiruna district
      • Svappavaara
No reference listed
USA
 
  • Nevada
    • Elko Co.
NBMG Spec. Pub. 31 Minerals of Nevada
    • Esmeralda Co.
      • Candelaria District (Columbus District)
Collected by Dick Thomssen.
    • Humboldt Co.
      • Osgood Mts
        • Potosi District
Rocks & Minerals, Nov. 1999; Howard, D and D. Thomssen (2000) Occurrences of Native Selenium in Nevada; USA Micro Probe, newsletter of the NorthWest MicroMineral Study Group, Spring 2000, Volume 1X, Number 1, pgs 15-17.
NBMG Spec. Pub. 31 Minerals of Nevada
      • Potosi District
        • Twin Creeks Mine
Min News (1999) 15:6 pp 1,5-8
    • Mineral Co.
      • Candelaria District
        • Candelaria Silver Mine
Collected by Paul Adams. EDS and XRD analyzed.
    • Nye Co.
      • Toquima Range
        • Northumberland District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Pershing Co.
      • Humboldt Range
        • Willard District
NBMG Spec. Pub. 31 Minerals of Nevada
  • South Dakota
    • Custer Co.
      • Custer District
        • Fourmile
Rocks & Minerals: 60: 117. ; Mineralogical Record 14 (3): 195-197.
        • Pringle
          • Cicero Peak
Rocks & Minerals: 75(3): 156-169.
    • Lawrence Co.
      • Bald Mountain District
Loomis, T. (2011), "News from the Black Hills, South Dakota", Mineral News, in press
      • Keystone District
        • Keystone
Rocks & Minerals: 57: 160 &/or 60: 110 & 112.
  • Utah
    • Box Elder Co.
      • Pilot Range
        • Lucin District
          • Lucin
            • Utahlite Hill
Don Howard (1999) Montgomeryite. Microprobe 8-10:11-13
    • Utah Co.
      • Oquirrh Mts
        • Fairfield
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 958, 979; UGMS Bull 117 Minerals and Mineral Localities of Utah
Wilson, W. (2010): The Clay Canyon Variscite Mine, Fairfield Utah. Mineralogical Record. 41:321-349.
Mineral and/or Locality  
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