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Powellite

Big Photo

Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region, Chile
© Leon Hupperichs

Show Powellite Photos (94)
Formula:
Ca[MoO
 
4
]
System:TetragonalColour:Yellow, straw-yellow, ...
Lustre:Sub-Adamantine, Resinous, PearlyHardness:3½ - 4
Name:
Named after the American geologist and explorer, John Wesley Powell (1834-1902), second Director of the U.S. Geological Survey.
Isostructural with:Scheelite


Scheelite Group. Powellite-Scheelite Series.

An uncommon secondary mineral, typically formed in the oxidation zones of molybdenum-bearing hydrothermal deposits, rarely in basalt cavities, tactites, and granite pegmatites.

Classification of Powellite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/G.01-10
Nickel-Strunz 10th (pending) edition ID:7.GA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
Dana 7th edition ID:48.1.2.2
Dana 8th edition ID:48.1.2.2

48 : ANHYDROUS MOLYBDATES AND TUNGSTATES
1 : AXO4
Hey's CIM Ref.:27.3.2

27 : Sulphites, Chromates, Molybdates and Tungstates
3 : Molybdates
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Type Occurrence of Powellite

Type Locality:Peacock Mine (South Peacock; Darland; Peacock & South Peacock), Cuprum, Seven Devils District, Adams Co., Idaho, USA
Place of Conservation of Type Material:U.S. National Museum of Natural History, Washington, D.C., USA: #80674.
Year of Discovery:1891

Occurrences of Powellite

Geological Setting:Oxidation zone of hydrothermal deposits

Physical Properties of Powellite

Lustre:Sub-Adamantine, Resinous, Pearly
Diaphaneity (Transparency):Transparent, Translucent
Comment:Lustre sub-adamantine on crystal faces; greasy on fracture surfaces. Pearly lustre manifests on foliated pseudmorphous material.
Colour:Yellow, straw-yellow, yellow-brown, brown, greenish yellow, grey, blue or black, colourless; black material is deep blue in transmitted light.
Comment:May exhibit zoned colouration.
Hardness (Mohs):3½ - 4
Cleavage:Poor/Indistinct
Indistinct on {112} {011} and {001}.
Fracture:Irregular/Uneven
Density (measured):4.26 g/cm3
Density (calculated):4.255 g/cm3

Crystallography of Powellite

Crystal System:Tetragonal
Class (H-M):4/m - Dipyramidal
Space Group:I41/a
Cell Parameters:a = 5.222(1) Å, c = 11.425(3) Å
Ratio:a:c = 1 : 2.188
Unit Cell Volume:V 312.92 ų
Z:4
Morphology:Crystals dipyramidal {111}, with {011} and {112}; less commonly flat tabular to paper-thin on {001}, exhibiting many minor forms. Form e sometimes striated parallel to the intersection with vertical plane {110}; diagonal striations parallel to {131} observed on e and W. Tetragonal-dipyramidal symmetry evident only in the zones of [111]. Forms crusts; pulverulent; ocherous; massive.
Comment:On synthetic material
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Powellite

Type:Uniaxial (+)
RI values: nω = 1.974 nε = 1.984
Maximum Birefringence:δ = 0.010

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Pleochroism:Visible
Comments:In deeply colored specimens (Houghton County, Michigan, USA):
O = Blue
E = Green

Chemical Properties of Powellite

Formula:
Ca[MoO
 
4
]
Essential elements:Ca, Mo, O
All elements listed in formula:Ca, Mo, O
Analytical Data:
CaO (28.04%)
MoO3 (71.96%)
Empirical Formula:
CaMoO
 
4
Common Impurities:W

Relationship of Powellite to other Species

Series:Forms a series with Scheelite (see here)
Member of Group:
Scheelite Group:
AXO
 
4
Common Associates:
StilbiteMolybdeniteMolybdeniteLaumontiteApophyllite
Related Minerals - Nickel-Strunz Grouping):

- +
7.GA.05Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
7.GA.05Fergusonite-(Nd)
(Nd,Ce)(Nb,Ti)O
 
4
7.GA.05Fergusonite-(Y)
YNbO
 
4
7.GA.05Scheelite
Ca[WO
 
4
]
7.GA.05Stolzite
Pb[WO
 
4
]
7.GA.05Wulfenite
Pb[MoO
 
4
]
7.GA.10Formanite-(Y)
YTaO
 
4
7.GA.10Iwashiroite-(Y)
Y(Ta,Nb)O
 
4
7.GA.15Paraniite-(Y)
Ca
 
2
Y(AsO
 
4
)(WO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:

- +
27.3.1Lindgrenite
Cu
 
3
[OH|MoO
 
4
]
 
2
27.3.3Wulfenite
Pb[MoO
 
4
]
27.3.4Koechlinite
(BiO)
 
2
[MoO
 
4
]
27.3.5Sedovite
U(MoO
 
4
)
 
2
27.3.6Mourite
UMo
 
5
O
 
12
(OH)
 
10
27.3.7Iriginite
UO
 
2
Mo
 
2
O
 
7
·3H
 
2
O
27.3.8Umohoite
(UO
 
2
)MoO
 
4
·4H
 
2
O
27.3.9Moluranite
H
 
4
U
4+
 
(UO
 
2
)
 
3
(MoO
 
4
)
 
7
·18H
 
2
O
27.3.10Cousinite
MgU
 
2
Mo
 
2
O
 
11
·6H
 
2
O
27.3.11Calcurmolite
(Ca,Na)
 
2
(UO
 
2
)
 
3
Mo
 
2
(O,OH)
 
11
·nH
 
2
O
27.3.12Tengchongite
CaO·6UO
 
3
·2MoO
 
3
·12H
 
2
O
27.3.13Kamiokite
Fe
 
2
Mo
 
3
O
 
8
27.3.14Ferrimolybdite
Fe
 
2
[MoO
 
4
]
 
3
 · nH
 
2
O

Other Names for Powellite

Other Languages:
Catalan:Powellita
Dutch:Powelliet
German:Powellit
Italian:Powellite
Russian:Повеллит
Spanish:Powellita

Other Information

Fluorescence in UV light:Creamy white or yellow to golden yellow (SW UV).
Other Information:May replace molybdenite leaving a material with a foliated structure appearance. Alters to Ferrimolybdite.

Decomposed by HCl and HNO3.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Powellite

Reference List:Melville (1891) American Journal of Science: 41: 138.

Koenig and Hubbard (1893) American Journal of Science: 46: 356.

Michel (1894) Bulletin de la Société française de Minéralogie: 17: 612.

Palache, C. (1899) American Journal of Science: 7: 367.

Pilipenko (1915) Bulletin of the Imperial Tomsk University, no. 63 [Min. Abs. (1923): 2: 109].

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 122.

Zambonini (1923) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 58: 248.

Vegard (1926) Philosophical Magazine and Journal of Science: 1: 1151.

Hintze, Carl (1889) Handbuch der Mineralogie. Berlin and Leipzig. 6 volumes: 1 [3B]: 4036.

Pough (1937) American Mineralogist: 22: 57.

Maucher (1938) Zs. Angew. Min.: 1 : 103.

Gianella (1941) University of Nevada Bull. 35, no. 6: 80.

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.: 1079-1081.

National Bureau of Standards Circular 539 (1956), 6, 22.

Bulletin of the Mineralogical and Geological Society, Prague (1982): 27: 197-200.

Hazen, R.M., L.W. Finger, and J.W.E. Mariathasan (1985) High-pressure crystal chemistry of scheelite-type tungstates and molybdates. Journal of Physical Chemistry Solids, 46, 253–263.

Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2003) Handbook of Mineralogy, Volume V. Borates, Carbonates, Sulfates. Mineral Data Publishing, Tucson, AZ, 813pp.: 563.

Internet Links for Powellite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Powellite in the Natural History Museum (London) online catalogue
  • Powellite details from Handbook of Mineralogy (PDF)
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    Localities for Powellite

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Australia
     
    • New South Wales
      • Gough Co.
        • Kingsgate
    		Sharpe, J.L., & Williams P.A. (2004) - Secondary bismuth and molybdenum minerals from Kingsgate, New England district of New South Wales.- Australian Journal of Mineralogy, vol.10, n°1.
      • Raleigh Co.
        • Macksville
    		L.B. Gilligan et al. Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map and Mineral Deposit Data Sheets.
    • Northern Territory
    		Zia U. Bajwah, Huckitta 1:250 000 Mineral deposit data series, Northern Territory Geological Survey, 1994
      • Jervois
    		Huckitta 1996
    Zia U. Bajwah, Huckitta 1:250 000 Mineral deposit data series, Northern Territory Geological Survey, 1994
    Huckitta 1996
    Zia U. Bajwah, Huckitta 1:250 000 Mineral deposit data series, Northern Territory Geological Survey, 1994
    Huckitta 1996
    Huckitta 1996
    Huckitta 1996
    Huckitta 1996
    • Queensland
      • Bamford
    		Am Min 83:1-2 pp 172-177
    • Tasmania
      • King Island
        • Grassy
      • Moina District (Middlesex District)
    		Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
    Austria
     
    • Salzburg
      • Hohe Tauern Mts
        • Felben valley
          • Scheelite deposit
    		A. Strasser: Die Minerale Salzburgs, 1989
    Brazil
     
    • Northeast Region
      • Rio Grande do Norte
        • Borborema mineral province
          • Currais Novos
    		Souza Neto, J.A., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205.
    Souza Neto, J.A., Legrand, J.M., Volfinger, M., Pascal, M.-L., and Sonnet, P. (2008): Mineralium Deposita 43, 185-205.
    Canada
     
    • British Columbia
      • Kamloops Mining Division
        • Logan Lake
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
      • Liard Mining Division
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
      • Osoyoos Mining Division
        • Hedley
    		Econ Geol (1992) 87:1862-1876
      • Trail Creek Mining Division
        • Rossland
    		No reference listed
    • Ontario
      • Hastings Co.
        • Bancroft District
          • Faraday Township
    		http://www.ontariominerals.com
    • Québec
      • Abitibi-Témiscamingue
        • La Vallée-de-l'Or RCM
          • Val d'Or
    		Sabina (2003) 166-167.
      • Outaouais
        • Les Collines-de-l'Outaouais RCM
          • Pontiac
            • Eardley
    		GSC Miscellaneous Report 41 - Sabina
    Chile
     
    • Antofagasta Region
      • El Loa Province
        • Calama
          • Chuquicamata District
    		R O Meyer collection
    • Atacama Region
      • Chañaral Province
        • Diego de Almagro
          • Potrerillos
    		Collection Elmar Lackner
        • Inca de Oro
    		[www.johnbetts-fineminerals.com]
    maurizio dini collection
          • San Pedro de Cachiyuyo District
    		A.Molina & M. Dini collections
      • Copiapó Province
        • Cachiyuyo de Llampos district
          • Carrera Pinto
    		Jason B. Smith collection
    No reference listed
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Horní Slavkov (Schlaggenwald)
          • Krásno
            • Vysoký Kámen
    		Sejkora, J., Ondruš, P., Fikar, M., Veselovský, F., Mach, Z. & Gabašová, A. (2006): New data on mineralogy of the Vysoký Kámen deposits near Krásno, Slavkovský les area, Czech Republic. Journal of the Czech Geological Society 51, 43-55.
      • Ústí Region
        • Krušné Hory Mts (Erzgebirge)
    		Lapis 23(4), 18-34 (1998)
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Jeseník
          • Černá Voda (Schwarzwasser)
    		Jedlička, J.: Sekundární nerosty v Žulovském masivu ve Slezsku. Minerál 1993, roč. 1, č. 4, s. 27.
    Finland
     
    • Etelä-Suomen Lääni
      • Rantasalmi
    		No reference listed
    France
     
    • Languedoc-Roussillon
      • Pyrénées-Orientales
        • Céret
          • Prats de Mollo-La Preste (Prats de Molló-La Presta)
    		Goujou J-C., Guitard G., Berbain C. (2000), Le massif de Costabonne, 2464 m (Pyrénées-Orientales), Le Règne Minéral, n°32, pp: 5-12
    • Provence-Alpes-Côte d'Azur
      • Hautes-Alpes
        • Lautaret pass area
          • La Grave
            • Villar d'Arène
    		R. Pierrot, P. Picot, P.A. Poulain, "Inventaire Minéralogique de la France : Hautes-Alpes", BRGM, 1972
    • Rhône-Alpes
      • Haute-Savoie
        • Chamonix
          • Mt Blanc Massif
    		Cuchet, S., Schnyder, C. & Meisser, N. (2003): Les minéraux de L'A Neuve. Schweizer Strahler / Le Cristallier Suisse, Nr. 3, 28-37.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Kandern
          • Endenburg
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
          • Malsburg
            • Lütschenbach
    		Aufschluss 1972(10), 362-363
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Odenwald
        • Schriesheim
    		Lapis 1980(7/8), 15
    • Bavaria
      • Franconia
        • Spessart Mts
          • Hösbach
            • Sailauf
              • Hartkoppe Mt.
    		No reference listed
      • Lower Bavaria
        • Bavarian Forest
          • Tittling
            • Stützersdorf
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Hesse
      • Odenwald
        • Bensheim
          • Hochstädten (Auerbach-Hochstädten)
    		S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Heppenheim
          • Sonderbach
            • Kohlplatte Mt.
    		S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Rhineland-Palatinate
      • Eifel Mts
        • Mayen
          • Ettringen
            • Bellerberg volcano
              • Ettringer Bellerberg Mt. (Bellberg Mt.; Bellenberg Mt.; Billenberg Mt.; Boilenberg Mt.)
    		[Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987] [Lapis, 15 (5), 9-36]
    • Saxony
      • Oberlausitz
        • Görlitz
          • Königshain
    		T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    Greece
     
    • Thraki (Thrace; Thracia) Department
      • Xánthi Prefecture
    		Christian Bracke Collection.
    India
     
    • Maharashtra
    		No reference listed
    No reference listed
      • Mumbai District (Bombay District)
    		P Haas collection
      • Nasik District
        • Dindori (Dhindori)
          • Talegaon
    		Georges Claeys (2009) Mineralogische reis naar Deccan Traps, India, 2008. Geonieuws, 34, #3, 63-77.
    P Bongaerts collection
    Kothavala, R.Z. (1982): The discovery of Powellite at Nasik, India. Mineralogical Record 13(5), 303-309
    Kothavala, R.Z. (1982): The discovery of Powellite at Nasik, India. Mineralogical Record 13(5), 303-309
    Kothavala, R.Z. (1982): The discovery of Powellite at Nasik, India. Mineralogical Record 13(5), 303-309
    Georges Claeys (2009) Mineralogische reis naar Deccan Traps, India, 2008. Geonieuws, 34, #3, 63-77.
    Richard Dale collection
    Italy
     
    • Lombardy
      • Sondrio Province
        • Malenco Valley
      • Varese Province
        • Ceresio Valley
    		Biffi P., Sbacchi M., Sinelli E. (2004) Gli arseniati di Cava del Prete e altre novità mineralogiche dal granofiro di Cuasso al Monte (Varese). Riv. Mineral. Ital., 28, 4: 232-239.
    • Piedmont
      • Biella Province
        • Cervo Valley
    		Piccoli, G. C., Maletto, G., Bosio, P., & Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo F. Eusebio - Alba, 607 pag.
            • Cascine Machetto
    		De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Beura-Cardezza
    		Preite, D., Mattioli, V., Cini, V., Besana, G. (1997): Die mineralien von Beura und Villadossola (NO), Oberitalien. Lapis, 5/1997, 13-26.
          • Crodo
    		De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
    • Sardinia
      • Olbia-Tempio Pausania Province
        • La Maddalena
          • La Maddalena Island
    		Billows, E. (1941): I minerali della Sardegna ed i loro giacimenti. Sardegna Mineraria, Istituto per gli studi Sardi, Regia Università di Cagliari.
          • Santo Stefano Island
    		Gamboni, A., Gamboni, T., Nonnis, O. (1997): I minerali dell'arcipelago di La Maddalena. Paolo Sorba, Ed., La Maddalena, 100 pp.
    Japan
     
    • Hokkaido Island
      • Iburi Province
    		Bernard, A. (1985), Thèse de doctorat, University Libre de Bruxelles; Africano & Beranrd (2000), Jour. Vlcanology & Geothermal Research: 97: 475-495.
    Kazakhstan
     
    • Qaraghandy Oblysy (Karaganda Oblast')
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    World of Stones, 1995, Vol. 8, p. 24, A.A. Eseev, Kazakhstan and Middle East - A brief moneralogical guide.
    • Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast')
      • Rudnyi Altai
    		Dana 7:II:1080.
    • Zhezqazghan Oblysy (Dzezkazgan Oblast'; Dzhezkazgan Oblast'; Djezkazgan Oblast'; Jezkazgan Oblast')
      • Balqash (Balkhash; Karatas; Prebalkhashie) Region
        • Chu-Ili Mts
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pavel M. Kartashov data
    Mexico
     
    • Chihuahua
      • Mun. de Aldama
        • Peña Blanca District
          • Sierra Peña Blanca
    		Econ Geol (1991) 86:233-248
    Econ Geol (1991) 86:233-248
    • Sonora
      • Mun. de Huépac
        • Huépac
    		PAnczner (1987): 301, 335.
      • Mun. de Moctezuma
    		Lapis 2001(1), 11-40
      • Mun. de San Javier
        • Tecoripa
    		Panczner(1987):335.
    Pancnzer (1987):335.
      • Mun. de Santa Cruz
        • Santa Cruz
          • Cerro de Chavito
    		Panczner(1987):184-390.
    • Zacatecas
      • Mun. de Sombrerete
    		Fluorite: The Collector's Choice. Extra Lapis English No. 9
    Mongolia
     
    • Bulgan Aimag
      • Erdenet
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    • Dornogovi Aimag
      • Hövsgöl
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    Morocco
     
    • Guelmim - Es-Semara Region
      • Tata Province
        • Azgour (Azegour)
    		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: 1080.
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Aghbar
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Aït Ahmane
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Bou Azzer
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    N. Meisser, J. Brugger (2006): "Bouazzerit und Maghrebit, zwei neue Arsenatmineralien aus dem Revier Bou Azzer, Marokko", Lapis 31(7/8), 69-71
            • Ightem
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Méchoui
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Tamdrost
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Namibia
     
    • Kunene Region
      • Damaraland District
        • Omaruru
    		Jahn, S. & Bast, R. (2006): Der Krantzberg bei Omaruru, Namibia, und die Mineralvorkommen in seiner Umgebung. Mineralien-Welt 17 (3), 32-48.
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		Gebhard, G. (1999): Tsumeb II. A Unique Mineral Locality. GG Publishing, Grossenseifen, Germany
    Norway
     
    • Sør-Trøndelag
    		Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001, part II. STEIN 28 (3): 16- 24
    • Telemark
      • Kviteseid
    		Raade, G. (1966): Note on Powellite (CaMoO4), a new mineral for Norway. Norsk Geologisk Tidsskrift 46: 121-122
    Raade, G. (1966): Note on Powellite (CaMoO4), a new mineral for Norway. Norsk Geologisk Tidsskrift 46: 121-122; Neumann (1985, p. 112).
      • Porsgrunn
        • Mørje
          • Sagåsen (Strandåsen)
    		A. O. Larsen, A. Åsheim and R. A. Gault, 2005.
      • Tokke
        • Dalen
    		Hasan, Zia-Ul (1971): Precambrian rocks of the Telemark area in south central Norway XI: Supracrustal rocks and Mo-Cu bearing veins in Dalen. Norsk Geologisk Tidsskrift 51, 287-309
    Hasan, Zia-Ul (1971): Precambrian rocks of the Telemark area in south central Norway XI: Supracrustal rocks and Mo-Cu bearing veins in Dalen. Norsk Geologisk Tidsskrift 51, 287-309
    Hasan, Zia-Ul (1971): Precambrian rocks of the Telemark area in south central Norway XI: Supracrustal rocks and Mo-Cu bearing veins in Dalen. Norsk Geologisk Tidsskrift 51, 287-309
      • Vinje
    		I. Burvald (1983): "Langvatn Molybdenforekomst". NAGS-nytt 10(3),12-15 (in norwegian)
    • Vestfold
      • Larvik
    		Raade et al. (1980, p. 24); Neumann (1985, p. 113).
    Russia
     
    • Eastern-Siberian Region
      • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
        • Yeniseisk (Eniseisk)
          • Minusinsk depression
    		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: 1080.
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
          • Krasnokamensk
    		P.M. Kartashov data
    Pavel M. Kartashov data
    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: 1080.
    • Far-Eastern Region
      • Kamchatka Oblast'
    		No reference listed
      • Magadanskaya Oblast'
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
      • Sakhalinskaya Oblast'
        • Kuril Islands
          • Iturup Island
    		http://maurice.strahlen.org/kurilles/kurilles.htm
    • Northern Caucasus Region
      • Kabardino-Balkarian Republic
        • Baksan Valley
    		P.M. Kartashov data
    • Western-Siberian Region
      • Altai Republic (Gorno-Altayskaya Autonomous Oblast')
    		Potseluev, A.A., Babkin, D.I., and Kotegov, V.I. (2006): Geology of Ore Deposits 48(5), 384-401.
    Somalia
     
    • Bay Region
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    South Africa
     
    • Limpopo Province
      • Eastern Bushveld Complex
        • Mokopane (Potgietersrus)
    		Minerals of South Africa
    Spain
     
    • Catalonia
      • Barcelona
        • Vallès Oriental
          • Gualba de Dalt
    Sweden
     
    • Lappland
    		No reference listed
    • Värmland
      • Filipstad
    		Rocks & Min.: 60:242.
    • Västerbotten
      • Skellefteå
        • Burträsk
    		No reference listed
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Bregaglia Valley (Bergell)
        • Albigna Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 306.
        • Forno Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 306.
      • Hinterrhein Valley
        • Ferrera Valley
          • Ausserferrera
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 72, 111, 362.
    • Ticino (Tessin)
      • Riviera
        • Lodrino
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 306.
    • Wallis (Valais)
      • Visp
        • Baltschieder Valley
          • Alpjuhorn Mt.
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 306.
    Turkey
     
    • Central Anatolia Region
      • Ankara Province
        • Kasa Keskin
    		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: 1080.
    UK
     
    • England
      • Cumbria
        • North and Western Region (Cumberland)
          • Caldbeck Fells
            • Carrock Fell
    		BMS Database
    • Scotland
      • Lothian (East Lothian)
        • Haddington
    		Mineralogical Magazine 1962 33 : 158-161
      • Strathclyde (Argyllshire)
        • Glen Creran
    		No reference listed
    • Wales
      • Gwynedd (Caernarvonshire)
        • Lleyn Peninsula
          • Llanfaelrhys
            • Rhiw
    		Mational Museum of Wales database
    USA
     
    • Alaska
      • Bethel Borough
        • Aniak District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Fairbanks North Star Borough
        • Fairbanks District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Nome Borough
        • Council District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
        • Port Clarence District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Prince of Wales-Outer Ketchikan Borough
        • Ketchikan District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Skagway-Hoonah-Angoon Borough
        • Juneau District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
        • Yakutat District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Southeast Fairbanks Borough
        • Eagle District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
        • Goodpaster District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Valdez-Cordova Borough
        • Chisana District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
      • Yukon-Koyukuk Borough
        • Innoko District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • Arizona
      • Cochise Co.
        • Chiricahua Mts
          • California District
            • Portal
    		MRDS database Dep. ID file #10046190, MRDS ID #M241030.
        • Huachuca Mts
          • Hartford District (Huachuca Mountains District)
            • Miller Peak
              • Miller Canyon
    		Mr. Roy Parsons, Huachuca City, AZ
        • Little Dragoon Mts
          • Cochise District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Cooper, J.R. & L.T. Silver (1964), Geology and ore deposits of the Dragoon quadrangle, Cochise Co., AZ, USGS PP 416.
    Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geol. Sur. Branch Bull. 187, Index of Mining Properties in Cochise Co., AZ: 56 (Table 4).
    MRDS database Dep. ID file #10039384, MRDS ID #M050007.
    Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geol. Sur. Branch Bull. 187, Index of Mining Properties in Cochise Co., AZ: 59 (Table 4); Cooper & Silver (1964): 171-181.
        • Mule Mts
          • Warren District
    		No reference listed
            • Warren
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 144.
      • Gila Co.
        • Globe-Miami District
          • Miami-Inspiration District
            • Inspiration
              • Miami-Inspiration deposit
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 278.
      • Maricopa Co.
        • Morristown
    		Galbraith, F.W. & Brennan (1959), Minerals of AZ: 81.
        • Vulture Mts
          • Vulture District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334, 363; Dale, V.B. (1959), Tungsten deposits of Yuma, Maricopa, Pinal, and Graham Cos., AZ, US Bur. Mines Rept. Inv. 5516.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Jahns, Richard H. (1952), AZ Bur. of Mines Bull. 162.
    MRDS file #10048180.
    MRDS file #10027315.
      • Mohave Co.
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 334.
        • Diamond Joe District
    		MRDS file #10037090.
        • Hualapai Indian Reservation
    		The Canadian Mineralogist; October 2007; v. 45; no. 5; p. 1177-1188
        • Peach Springs Canyon
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 253; Wenrich, K.J. & H.B. Sutphin (1988), Recognition of breccia pipes in northern Arizona, AZ Bur. Geol. Min. Tech. Fieldnotes: 18:1-5, 11.
      • Pima Co.
        • Baboquivari Mts
          • Baboquivari District
    		MRDS database Dep. ID file #10039530, MRDS ID #M050227.
        • Empire Mts
          • Empire District
            • Hilton (Lead Mountain)
              • Copper Camp
                • Hilton Ranch
                  • Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group)
    		Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 118 (Table 4); Wilson, E.D. (1941): 36; Dale, et al (1960): 107-109; Arizona Bureau of Mines file data.
        • Santa Catalina Mts
          • Redington District
            • Buchman Canyon
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334.
        • Santa Rita Mts
          • Helvetia-Rosemont District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Dale, V.B., et al (1960), Tungsten deposits of Cochise, Pima and Santa Cruz Cos., AZ, US Bur. of Mines Rept. Inv. 5650; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 81.
            • Helvetia
    		Wilson, E.D. (1941), AZ Bur. of Mines Bull. 148: 36.
              • Isle Royal Mine group
    		MRDS database Dep. ID file #10039411, MRDS ID #M050044.
              • Leader Hill
    		Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 126 (Table 4); Schrader & Hill (1910): 156-157; Schrader (1915): 106-108; Arizona Bureau of Mines file data.
              • Monument Mountain
    		MRDS database Dep. ID file #10103745, MRDS ID #M050179.
              • Sycamore Canyon
    		MRDS database Dep. ID file #10039612, MRDS ID #M050491.
    Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 124 (Table 4); Schrader (1915): 136-137; Dale, et al (1961): 111-112.
    Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 124 (Table 4); Schrader (1915): 136-137; Dale, et al (1961): 111-112.
    Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 124 (Table 4); Schrader (1915): 136-137; Dale, et al (1961): 111-112.
    Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 124 (Table 4); Schrader (1915): 136-137; Dale, et al (1961): 111-112.
        • Sierrita Mts
          • Pima District (Olive District; Mineral Hill District; Twin Buttes District)
            • Twin Buttes
    		Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 138 (Table 4); Ransome (1922): 425-427; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Wilson, E.D. (1941), AZ Bur. Mines Bull. 148: 37, 44-46; Dale, V.B., et al (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Cos., AZ, US Bur. Mines Rept. Inv. 5650: 85-92; Arizona Bureau of Mines file data.
    Galbraith, F.W. (1947), Minerals of Arizona, AZ Bur. Mines Bull. 153: 334.
        • Tohono O'odom (Papago) Indian Reservation
          • Gunsight Hills
            • Gunsight District (Meyer District)
    		Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 122 (Table 4); Arizona Bureau of Mines file data.
      • Pinal Co.
        • Gold Circle District
          • Antelope Peak
    		MRDS database Dep. ID #10039521; MRDS ID #M050215.
          • Antelope Peak area
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Dale, V.B. (1959), Tuyngsten deposits of Yuma, Maricopa, Pinal, and Graham Cos., AZ, US Bur. of Mines Rept. of Invest. 5516.
          • Putnam Wash area
    		Wilson, E.D. (1941), AZ Bur. Mines Bull. 148: 35.
      • Santa Cruz Co.
        • Patagonia Mts
          • Patagonia District
            • Washington Camp-Duquesne District
              • Nash Mines group (Duquesne-Washington group)
                • Duquesne Gulch
    		MRDS database Dep. ID file #10037099, MRDS ID #M030397.
      • Yavapai Co.
        • Squaw Peak District
    		Rocks & Min.: 24:376-377.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 334; Jahns, Richard H. (1952), Pegmatite Deposits of the White Picacho District, Maricopa and Yavapai Counties, Arizona, Arizona Bureau of Mines Bull. 162.
          • San Domingo Wash
    		Wilson, E.D. (1941), AZ Bur. of Mines Bull. 148: 24.
    MRDS database Dep. ID #10109052, MRDS ID #M003416.
    • California
      • Alpine Co.
        • Hope Valley
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Calaveras Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • El Dorado Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Fairplay District
    		www.mineralsocal.org
      • Fresno Co.
        • Big Creek-Rush Creek District
          • Rush Creek deposit
            • Big Creek
    Rinehart, Charles Dean & Donald C. Ross (1964), Geology and mineral deposits of the Mount Morrison quadrangle, Sierra Nevada, California: USGS PP 385, 106 pp.: 92, 93; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294, 329.
      • Inyo Co.
        • Bishop District
          • Bishop
            • Mount Morgan
    		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: 1081.
    Tucker, W. Burling & Reid J. Sampson (1941), Recent developments in the tungsten resources of California: California Journal of Mines and Geology, California Division Mines (Report 37): 37(4): 571-572; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 268; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339.
    Tucker, W. Burling & Reid J. Sampson (1941), Recent developments in the tungsten resources of California: California Division Mines Report 37: 570; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339.
      • Kern Co.
        • El Paso Mts
          • Northwest of Randsburg
    		Hess, Frank L. (1917), Tungsten minerals and deposits: USGS Bulletin 652, 85 pp.: 48; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 31; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294.
        • Erskine Creek District
          • Erskine Creek
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Kernville
          • Lake Isabella
    		Engel, René Laurent Henri (1962), Granitization and contact metamorphism in the Kern River Basin, California (abstract): Geological Society of America Special Paper 68: 24; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294, 330.
      • Los Angeles Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Mono Co.
        • Benton Range
          • Blind Spring District (Blind Spring Hill District; Benton District)
    		Lemmon, Dwight Moulton (1941b), Tungsten deposits of the Benton Range, Mono County, California: USGS Bulletin 22-S: 591; Dupuy, L.W. (1948) Black Rock tungsten deposit, Mono County, California. US Bureau Mines Report of Investigation 4210, 6 pp.: 4; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339.
    Calif Div Mines SR48 "Economic Geology of the Casa Diablo Mtn Quad CA"
        • Convict Lake
    		Pemberton, H Earl " Minerals of California" Van Nostrand Reinholt Press
        • Laurel-McGee Rare II area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Calif Div Mines SR48 "Economic Geology of the Casa Diablo Mtn Quad CA"
        • Mount Baldwin
    		Pemberton, H Earl " Minerals of California" Van Nostrand Reinholt Press
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Plumas Co.
        • Last Chance District
          • Spring Creek area
    		Mineralogical Record (In press)
    Mineralogical Record (In press)
    Mineralogical Record (In press)
    Mineralogical Record (In press)
      • Riverside Co.
        • Crestmore
    		[micromounts@yahoogroups.com]
      • San Bernardino Co.
        • Ord Mts
          • Red Hill area
    		Weber, F.H., Jr. (1963c), Geology and mineral deposits of the Ord Mountain district San Bernardino County, California: California Division Mines & Geol. Special Report 77: 27, 41; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 339.
      • Santa Cruz Co.
        • Santa Cruz
      • Tulare Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Colorado
      • Custer Co.
        • Rosita District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Fremont Co.
        • Guffey District (Freshwater District)
          • Currant Creek Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Gilpin Co.
        • Black Hawk
    		Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Quartz Creek District
    		Minerals of Colorado (1997) E.B. Eckels
        • Tincup District
    		Minerals of Colorado (1997) E.B. Eckels
        • Wolf Creek Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Jefferson Co.
    		Minerals of Colorado (1997) E.B. Eckels
      • Larimer Co.
        • Big Thompson Canyon Area
    		Minerals of Colorado (1997) E.B. Eckels
        • Stove Prairie Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Ouray Co.
        • Sneffels District (Mount Sneffels District)
          • Ouray
    		Minerals of Colorado (1997) E.B. Eckels
      • Park Co.
        • Lake George (Badger Flats) Area
          • Marksbury Gulch Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Lake George (Badger Flats) Beryllium Area (Mountain Dale)
    		Minerals of Colorado (1997) E.B. Eckels
        • Tarryall Springs District (Puma City)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Connecticut
      • Middlesex Co.
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.234
        • Haddam
    		Rocks & Min.: 70:403
    • Georgia
      • Greene Co.
    		Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Idaho
      • Adams Co.
    		Rocks & Min. 70:244
    Idaho Minerals (2004) L. Ream 2nd ed
          • Cuprum
    		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: 1080; Rocks & Minerals (1995): 70: 243.
    R&M 70:4 pp 242-263
      • Bonner Co.
        • Priest Lake District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Butte Co.
        • Lava Creek District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Custer Co.
    		Rocks & MIn. 70:249-250
          • Challis
    		USGS OFR 2000 - OF-00-239
    R&M 70:4 pp 242-263
        • Lava Creek District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Mackay Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Mackay District (Alder Creek District; White Knob District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Stanley Basin District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Maine
      • Hancock Co.
        • T10 SD
    		Thompson, W.B., et.al., 1998, Maine Mineral Localities, 3rd edition, Maine Geological Survey, Augusta.
      • Oxford Co.
        • Albany
    		King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
      • York Co.
        • Newfield
    		No reference listed
        • Sanford
    		Leavitt, D. L., and Leavitt, N. J., 1993: Mineralogy of the Sanford vesuvianite deposit. Mineralogical Record, v. 24 (5), p. 359-364
    • Michigan
      • Houghton Co.
        • Calumet
          • Calumet & Hecla Mine
    		R&M 76:3 p156-188
    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: 1081; Heinrich & Robinson (2004) Mineralogy of Michigan.
        • Centennial
          • Centennial Mine
    		R&M 76:3 p156-188
        • Houghton
    		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: 1081; Rocks & Minerals: 58: 109.
        • Tamarack
    		Rocks & Min.: 58:109.
      • Marquette Co.
        • Ishpeming
          • Diorite
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    Rocks & Min.: 58:112.
        • Marquette iron range
          • Champion
    		Rocks & Min.:58:111 & 61:328.
      • Ontonagon Co.
        • Rockland
    		R&M 76:3 p156-188
    • Montana
      • Beaverhead Co.
        • Baldy Mountain District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Lost Creek District
    		Ref: Montana Bureau of Mines and Gology Special Publication 75, 1977; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Quartz Hill District (Vipond District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Rock Creek District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Utopia District (Birch Creek District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Granite Co.
        • Philipsburg District (Flint Creek District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Red Lion District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Jefferson Co.
        • Boulder District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Pipestone District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Madison Co.
        • Mineral Hill District (Pony District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Silver Bow Co.
        • Butte District
          • East Ridge
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
        • Highland District (Siberia District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Nevada
      • Churchill Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Fairview District
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Sand Springs District
    		NBMG Bull 83 Geology and Mineral Deposits of Churchill County, Nevada
      • Clark Co.
        • Gold Butte District
    		NBMG Bull 62 Geology and Mineral Deposits of Clark County, Nevada
      • Douglas Co.
        • Gardnerville District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Elko Co.
        • Alder District
    		NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
        • Charleston District
    		NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
        • Delano District
    		NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
        • Harrison Pass District
    		NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
        • Jarbidge District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
        • Kinsley District
    		NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
      • Esmeralda Co.
        • Black Horse District
    		NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
    NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
    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: 1081; Rocks & Minerals, Nov. 1999
        • Gold Point District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Humboldt Co.
        • Disaster District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Gold Run District
    		NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada
        • Potosi District
    		Rocks & Min.: 63:487.
      • Lander Co.
        • Bullion District
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Spencer Hot Springs District
    		NBMG Bull 80 Geology and Mineral Deposits of Lander County, Nevada
    NBMG Bull 80 Geology and Mineral Deposits of Lander County, Nevada; Mineralogical Magazine 1988 52 : 389-390
      • Lincoln Co.
        • Patterson District
    		NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada
        • Tem Piute District
    		NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Lyon Co.
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Wilson District
          • Cambridge Hills
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Mineral Co.
    		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: 1081; NBMG Spec. Pub. 31 Minerals of Nevada.
        • Santa Fe District
    		NBMG Spec. Pub. 31 Minerals of Nevada
      • Nye Co.
        • Lodi District
          • Granite camp
    		NBMG Spec. Pub. 31 Minerals of Nevada
        • Oak Spring District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Tonopah District
          • Tonopah
    		Dana 7:II:1081.
      • Pershing Co.
    		NBMG Bull 89 Geology and Mineral Resources of Pershing County, Nevada
        • Juniper Range District
    		NBMG Bull 89 Geology and Mineral Resources of Pershing County, Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Trinity District
    		NBMG Bull 89 Geology and Mineral Resources of Pershing County, Nevada
      • White Pine Co.
    		NBMG Bull 85 Geology and Mineral Resources of White Pine County, Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
        • Shoshone District
    		NBMG Bull 85 Geology and Mineral Resources of White Pine County, Nevada
        • White Pine District
    		NBMG Bull 85 Geology and Mineral Resources of White Pine County, Nevada
    • New Hampshire
      • Grafton Co.
        • Lyme
    		Meyers & Stewart (1956). The Geology of NH: Part III Minerals and Mines. p.15
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Franklin
    		Dunn(1995):Pt5:644.
    Dunn(1995):Pt5:644.
          • Ogdensburg
            • Sterling Hill
    		Dunn(1995):Pt5:644.
    • New Mexico
      • Grant Co.
    		Minerals of New Mexico 3rd ed.
      • Hidalgo Co.
        • Pyramid Mts
    		Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
      • Lincoln Co.
    		Minerals of New Mexico 3rd ed.
      • Luna Co.
    		http://geoinfo.nmt.edu/staff/dunbar/abstract/dm99.html.
      • Santa Fe Co.
        • New Placers District
    		NMBMMR New Mexico Mineral symposium (2000) p.21
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
          • Golden
    		Minerals of New Mexico 3rd ed.
      • Sierra Co.
    		Minerals of New Mexico 3rd ed.
          • Sierra Cuchillo
    		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: 1081.
    • North Carolina
      • Vance Co.
    		Mineral Collecting Sites in North Carolina-W.F.Wilson and B.J.Mckenzie-1980
      • Yancey Co.
        • Pisgah National Forest
          • Spruce Pine District
            • Black Mtn-Bowlens Creek Area
              • Burnsville
                • Hurricane Mt.
    		C.W. Allen collection
    • Oregon
      • Baker Co.
        • Rock Creek District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Grant Co.
        • Granite District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Josephine Co.
        • Grants Pass District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Rhode Island
      • Providence Co.
    		Miller, 1972. Minerals of Rhode Island.
    • Texas
      • Culberson Co.
        • Sierra Diablo
    		R&M 66:3 pp 196-224
      • Hudspeth Co.
        • Quitman Mts
    		R&M 66:3 pp 196-224
      • Karnes Co.
    		Smith, A.E. (1991), Texas Mineral Locations Index, Rocks & Min.: 66(3).
      • Llano Co.
        • Bluffton
    		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: 1081.
    R&M 66:3 pp 196-224
        • Kingsland Granite Company quarry (Petrick quarry)
    		Self-collected by Franklin Roberts,
    • Utah
      • Beaver Co.
        • Beaver Lake Mts
          • Beaver Lake District
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    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: 1080; UGMS Bull 117 Minerals and Mineral Localities of Utah.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Rocky Range
          • Rocky District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • San Francisco Mts
          • San Francisco District (Frisco District)
            • Milford
    		Dana 7:II:1080.
      • Box Elder Co.
        • Crater Island District (Crater Island)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Grouse Creek Mts
          • Ashbrook District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
          • Rosebud District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Grouse Creek Range
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Newfoundland Mts
          • Newfoundland District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Newfoundland/Stone House Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Yost
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Millard Co.
        • Amasa Valley
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • House Range
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Salt Lake Co.
        • Wasatch Mts
          • Big Cottonwood District
    		UGMS Bull 117 Minerals and Mineral Localities of Utah; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
          • Little Cottonwood District (Alta District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Tooele Co.
        • Deep Creek Mts
          • Gold Hill District (Clifton District)
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    UGMS Bull 117 Minerals and Mineral Localities of Utah; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Washington
      • Ferry Co.
        • Colville Indian Reservation
          • San Poil District (Keller District)
            • Mount Tolman Deposit
    		Inventory of Washington Minerals, Part II, Metalic Minerals, Vol. 1; M. Huntting, 1956
        • Republic District
          • Wabash Creek
    		Minerals of Washington, B. Cannon, 1975
      • King Co.
        • North Bend
          • Devils Canyon area
    		Minerals of Washington, Bart Cannon, 1975
      • Okanogan Co.
        • Havillah
          • Bimetalic Mountain
    		Minerals of Washington, Bart Cannon, 1975
        • Wannacut Lake District
          • Bullfrog Mountain
    		Minerals of Washington, Bart Cannon, 1975
      • Snohomish Co.
        • Sultan District
          • Monte Cristo
    		Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis
          • Mount Stickney
    		Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis
      • Stevens Co.
        • Chewelah District
          • Wellington Peak
    		Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis
      • Whatcom Co.
        • North Cascades National Park
          • Baker Lake
    		http://tin.er.usgs.gov/mrds/show.php?labno=10047750
    • Wyoming
      • Converse Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
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