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Molybdite

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Formula:
MoO
 
3
System:OrthorhombicHardness:3 - 4
This page provides mineralogical data about Molybdite.

Classification of Molybdite

IMA status:Approved
Strunz 8th edition ID:4/E.03-10
Nickel-Strunz 10th (pending) edition ID:4.EA.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
E : Metal: Oxygen = < 1 :2
A :
Dana 8th edition ID:4.5.1.1

4 : SIMPLE OXIDES
5 : AX3
Hey's CIM Ref.:7.15.2

7 : Oxides and Hydroxides
15 : Oxides of Mo and W
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Type Occurrence of Molybdite

Type Locality:Quartz vein outcrops, Knöttel area (Knötel; Knödel; Knödlberg), Krupka (Graupen), Krušné Hory Mtns (Erzgebirge), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1854

Physical Properties of Molybdite

Hardness (Mohs):3 - 4

Crystallography of Molybdite

Crystal System:Orthorhombic
Cell Parameters:a = 3.96Å, b = 13.85Å, c = 3.69Å
Ratio:a:b:c = 0.286 : 1 : 0.266
Unit Cell Volume:V 202.38 ų (Calculated from Unit Cell)
Crystal Atlas:
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Molybdite - {010}, {111}, {100}
Molybdite - {010}, {111}, {100}, {001}

About Crystal Atlas

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. The 3d models and HTML5 code are kindly provided by www.smorf.nl.

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Chemical Properties of Molybdite

Formula:
MoO
 
3
Simplified for copy/paste:MoO3
Essential elements:Mo, O
All elements listed in formula:Mo, O

Relationship of Molybdite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.EA.05Tantite
Ta
 
2
O
 
5
Related Minerals - Hey's Index Grouping:

- +
7.15.1Tugarinovite
MoO
 
2
7.15.3Sidwillite
MoO
 
3
· 2H
 
2
O
7.15.4Ilsemannite
Mo
 
3
O
 
8
· nH
 
2
O
7.15.5Tungstite
WO
 
3
· H
 
2
O
7.15.6Hydrotungstite
WO
 
3
· 2H
 
2
O
7.15.7Meymacite
WO
 
3
· 2H
 
2
O
7.15.8Alumotungstite
7.15.9Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7

Other Names for Molybdite

Other Languages:
French:Acide molybdique
German:Molybdit
Russian:Молибдит
Simplified Chinese:钼华
Spanish:Molybdita

Other Information

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 Molybdite

Reference List:

- +
American Mineralogist (1964): 49: 1497.

Internet Links for Molybdite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Molybdite details from Handbook of Mineralogy (PDF)
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  • Localities for Molybdite

    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.
    • Queensland
      • Biggenden Shire
    Qld Dept Mines- mines record
    Qld Dept Mines- record of mines
    • Victoria
      • Central Goldfields Shire
        • Moliagul
    Liddy, J.C. (1972) Exploration License No. 227 Mount Moliagul, Vict. : Summary report on exploration carried out to date on the license area. Department of Energy and Minerals, Victoria, Expired Mineral Exploration Reports File
    Belgium
     
    • Hainaut Province (Henegouwen; Hennegau)
      • Charleroi
        • Ransart
    O. Dziallas collection
    • Luxembourg Province
      • Stavelot Massif
    Michel Bloindieau
          • Cahai (Cahay)
    No reference listed
    Brazil
     
    • Minas Gerais
      • Poços de Caldas alkaline complex
        • Caldas
          • Campo do Cercado
    Canada
     
    • Ontario
      • Kenora District
        • Snowshoe Bay Area
    MDI Number: MDI52E10SW00026
      • Renfrew Co.
        • Brougham Township
    Geological Survey of Canada Paper 70-50
        • Lyndoch Township
    Geological Survey of Canada Paper 70-50
    Chile
     
    • Atacama Region
      • Huasco Province
        • Carrizal Alto district
    C. Ruiz Fuller/F. Peebles (1988): "Yacimientos metalíferos de Chile": Fondecyt, Stgo de Chile.
    China
     
    • Anhui Province
      • Lu'an Prefecture
        • Jinzhai Co.
    Huaidong Zhang, Bohua Wang, Yuejin Hao, Song Cheng, and Bing Xiang (2012): Mineral Deposits 31(1), 41-51
    • Fujian Province
      • Nanping Prefecture
        • Wuyishan Co.
          • Pingdi-Shangxikeng Mo deposit
    Shuchao Fu (2011): Geology and Exploration 47(2), 268-276
    Cuizhi Wang and Shuchao Fu (2013): Geology and Exploration 49(1), 39-49
      • Sanming Prefecture
        • Qingliu Co.
    Jiajing Zhang, Zhenghui Chen, Denghong Wang, Zhenyu Chen, Shanbao Liu, and Chenghui Wang (2008): Geotectonica et Metallogenia 32(1), 92-97
    • Gansu Province
      • Jiuquan Prefecture
        • Subei Co.
    Boling Pan, Jianshu Zhang, and Fachang Yang (1989): Geology and Prospecting 25(7), 16-22
    • Guangdong Province
      • Shaoguan Prefecture
        • Qujiang District
    Mingzheng Zhuang (1983): Geology and Prospecting 19(8), 9-16
    • Hainan Province (Hainan Island)
      • Tunchang Co.
    Xiangji Liao, Pingan Wang, Haican Qin, Xikun Lu, Faxian Dong, Xiaochun Liu, and Bin Shu (2008): Geological Bulletin of China 27(4), 560-570
    • Heilongjiang Province (Manchuria; Dongbei Region)
      • Yichun Prefecture
        • Tieli Co.
    Yongming Shi, Bin Cui, and Weilin Jia (2007): Geology and Prospecting 43(2), 19-22
    Zhenzhe Han, Hailing Zhao, Juanjuan Li, Jian Luo, Wenlong Zhang, and Wenlong Li (2009): Geology and Prospecting 45(3), 253-259
    • Henan Province
      • Luoyang Prefecture
        • Luanchuan Co.
          • Nannihu ore field
    Jichang Weng, Yunzheng Zhang, Chaoyong Huang, Wenzhi Li, Beilei Cui, and Mingwei Luo (2010): Geology and Exploration 46(1), 41-48
          • Shizimiao Au-Mo ore field
    Jiangming Zhang (2011): Geological Survey and Research 34(3), 190-197
        • Song Co.
    Senpo Wen (2009): Geology and Exploration 45(3), 247-252
    Ke Zhou, Huishou Ye, Jingwen Mao, Wenjun Qu, Shufeng Zhou, Fang Meng, and Yalong Gao (2009): Mineral Deposits 28(2), 170-184
    Senpo Wen, Guoyin Liu, Baolong Qiao, Shenfen Liu, and Fuxing Zheng (2008): China Molybdenum Industry 32(2), 14-17
      • Xinyang Prefecture
        • Shangcheng Co.
    Zeqiang Yang, Shouquan Wan, Youling Xu, and Hongwei Ma (2006): Mineral Deposits 25(suppl.), 151-154; Zeqiang Yang (2007): Mineral Deposits 26(3), 289-295
    • Inner Mongolia Autonomous Region
      • Hinggan League (Xing'an Prefecture)
        • Arxan Co. (A'ershan Co.)
    Hui Xie, Kun Shen, Yingtang Zhu, Jingchun Tian, Hongli Wang, Wangjiu Gu, Chenyu Yang, Jiangfei Tian, Tongsheng Cao, and Feng Zhang (2011): Geology and Exploration 46(1), 49-58
      • Hulunbuir League (Hulunbei'er Prefecture)
        • Manjur Co. (Manzhouli Co.)
    Dawei Wang (1980): Geology and Prospecting 16(12), 50-55
      • Ulaan Chab League (Wulanchabu Prefecture)
        • Xinghe Co.
    Fengjun Nie, Yifei Liu, Yu'an Zhao, and Yi Cao (2012): Mineral Deposits 31(4), 930-940
        • Zhuozi Co.
    Xiqing Yu, Wang Chen, and Wei Li (2008): Geology and Prospecting 44(2), 29-37; Fengjun Nie, Yifei Liu, Yu'an Zhao, and Yi Cao (2012): Mineral Deposits 31(4), 930-940
      • Ulanhad League (Chifeng Prefecture)
        • Ar Horqin Banner (Aluke'erqin Co.)
    Tao Zou, Jingbin Wang, Yuwang Wang, Jiming Yuan, Longjun Lin, Jinlong Dou, Wei Jiang, Wei Li, and Xinghua Ma (2011): Geology and Exploration 47(5), 737-747
        • Linxi Co.
    Ke Zhang, Fengjun Nie, Wanrong Hou, Chao Li, and Yong Liu (2012): Mineral Deposits 31(1), 129-138
    • Jiangxi Province
      • Ganzhou Prefecture
        • Xunwu Co.
    Jianxiang Xu, Zailin Zeng, Xueqin Li, Junsheng Liu, Zhenghui Chen, Shanbao Liu, Chunli Guo, and Chenghui Wang (2007): Acta Geologica Sinica 81(7), 924-928
    • Qinghai Province
      • Gyêgu Autonomous Prefecture (Yushu Autonomous Prefecture)
        • Zadoi Co. (Zaduo Co.)
    Baohua Li, Juxing Tang, and Shuyi Dong (2006): Mineral Deposits 25(suppl.), 407-410
      • Haixi Autonomous Prefecture
        • Golmud Co. (Ge'ermu Co.)
          • Qimantage Mtns
    Chunyan Dong, Xiaoguo Chi, Fengyue Sun, and Yuan Zhang (2005): Multipurpose Utilization of Mineral Resources 1(1), 29-33; Youchang Yi, Gejun Jiao, and Fenying Zhang (2006): Geology and Prospecting 42(3), 30-35
    • Shanxi Province
      • Yuncheng Prefecture
        • Yuanqu Co.
          • Zhongtiaoshan ore field
    Yongrui Zhao and Yunqing Zhen (2006): Journal of Guilin University of Technology 26(3), 310-319
    Yongrui Zhao and Yunqing Zhen (2006): Journal of Guilin University of Technology 26(3), 310-319
    • Sichuan Province
      • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
        • Kangding Co.
    Chenghua Zhang and Guodong Ji (1983): Geology and Prospecting 19(9), 15-20, 40
      • Leshan Prefecture
        • Muchuan Co.
    Wenjun Liu (1985): Journal of Mineralogy and Petrology 6(1), 104-110
    • Tibet Autonomous Region
      • Lhasa Prefecture
        • Dagzê Co. (Dazi Co.)
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
        • Maizhokunggar Co. (Mozhugongka Co.)
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
        • Nyêmo Co. (Nimu Co.)
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
        • Qüxü Co. (Qushui Co.)
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
      • Nagchu Prefecture (Naqu Prefecture)
        • Xainza Co. (Shenzha Co.)
    Liangsheng Ge, Hanguang Li, Keqiang Wang, Yilin Zou, Zhihua Wang, Xuejun Zhang, Shisong Yuan, and Junbing Xing (2006): Mineral Deposits 25(suppl.), 345-348; Zhihua Wang, Xingquan Wu, Keqiang Wang, Wanqiang Yu, Hui Huang, and Dexi Ma (2007): Geology and Prospecting 43(3), 6-10
      • Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture)
        • Xaitongmoin Co. (Xietongmen Co.)
    Qu Xiaoming, Zengqian Hou, Khin Zaw, and Li Youguo (2007): Ore Geology Reviews 31(1-4), 205-223.
    • Yunnan Province
      • Dêqên Autonomous Prefecture (Deqin Autonomous Prefecture; Diqing Autonomous Prefecture)
        • Shangri-La Co. (Xianggelila Co.; Zhongdian Co.)
    Wenchang Li, Haijun Yu, Guanghou Yin, Xiaomin Cao, Dingzhu Huang, and Tao Dong (2012): Mineral Deposits 31(2), 282-292
    • Zhejiang Province
      • Quzhou Prefecture
        • Kaihua Co.
    Shiming Zhang, Yuanfu Xiao, Qiang Wang, Xuehui Zhang, Ling Yang, Yuliang Wang, and Chunmao Zhang (2013): Geology and Exploration 49(1), 50-57
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Hradec Králové Region
        • Trutnov (Trautenau)
          • Radvanice
    Žáček, V., Ondruš, P.: Mineralogy of recently formed sublimates from Kateřina colliery in Radvanice, Eastern Bohemia, Czech Republic. Bulletin of the Czech geological survey, 1998, vol. 73, no. 2, s. 289-302.
      • Ústí Region
        • Krušné Hory Mtns (Erzgebirge)
          • Krupka (Graupen)
            • Knöttel area (Knötel; Knödel; Knödlberg)
    Am Min 49 (1964), 1497; Lapis 23(4), 18-34 (1998)
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Žďár nad Sázavou
    Staněk, J.: Parageneze minerálů pegmatitových žil z Hatí u Dolních Borů na západní Moravě. Acta Mus. Moraviae, Sci. nat., vol. 76, pages 19-49.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Shinkolobwe
    MinRec 20:287-288
    Finland
     
    • Western and Inner Finland Region
      • Ylöjärvi
        • Viljakkala
    Finnish Museum of Natural History, University of Helsinki coolection
    France
     
    • Languedoc-Roussillon
      • Hérault
        • Lodève
    No reference listed
      • Pyrénées-Orientales
        • Prats de Mollo-La Preste (Prats de Molló-La Presta)
    • Limousin
      • Haute-Vienne
        • Razès
          • Chanteloube
            • Vilatte Quarries (La Vilate)
    Boisson, J. M. (1988) - Les monts d'Ambazac, Le Cahier des Micromonteurs, (2), 3-33.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Kandern
          • Endenburg
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
          • Malsburg
    K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    • Saxony
      • Erzgebirge
        • Altenberg
    Mineralien-Welt, (2), 17-39.
        • Freiberg District
          • Naundorf
    Grütze, T. (2006): Rauchquarz und Kugelpyrite aus dem Steinbruch Naundorf bei Freiberg/Sachsen. Lapis 31 (12), 16-19.
    • Thuringia
      • Gera
        • Ronneburg U deposit
    T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
    Italy
     
    • Sardinia
      • Medio Campidano Province
        • Gonnosfanadiga
    Stara, P., Rizzo, R., Tanca, G.A. (1996): Iglesiente e Arburese. Miniere e Minerali. Edito a cura dell'EMSA e "varie associazioni mineralogiche", Volume 2°, 192 pp.
      • Ogliastra Province
        • Arzana
    De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol
    • Veneto
      • Padova Province
        • Euganei Hills
    De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
    Japan
     
    • Kyushu Region
      • Nansei Archipelago
        • Kagoshima Prefecture
    (E. Nitta, M. Kimata, M. Hoshino, T. Echigo, S. Hamasaki, H. Shinohara, N. Nishida, T. Hatta, M. Shimizu (2006) “High-temperature sublimate minerals from Iwodake volcano, Satsuma-Iwojima, Kyusyu, Southwestern Japan.” –oral presentation at IMA meeting in Kobe.)
    Mexico
     
    • Chihuahua
      • Mun. de Guadalupe y Calvo
        • Guadalupe y Calvo
    Panczner(1987):278.
    • Hidalgo
      • Mun. de Zimapán
        • Zimapán
    Panczner(1987): 93-396.
    • Sonora
      • Mun. de Nacozari de García
        • Nacozari de García
    Panczner(1987):278.
    Mongolia
     
    • Khentii Aimag (Hentiy Aimag)
      • Hentiy
    Kamitani, M., Okumura, K., Teraoka, Y., Miyano, S., and Watanabe, Y. (2007): Mineral Resources Map of East Asia. Geological Survey of Japan.
    Namibia
     
    • Khomas Region
      • Gamsberg Area
        • Natas Farm 220
    Bezing, L. von, Bode, R. & Jahn, S. (2007): Namibia. Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag, Haltern, 363 pp. (in English)
    Norway
     
    • Telemark
      • 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 + Neumann (1985, p. 86).
    • Vest-Agder
      • Kvinesdal
        • Knaben
          • Knaben Molybdenum Mines
    Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 86
    Pakistan
     
    • Balochistan (Baluchistan)
      • Chagai District
    Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
    • Far-Eastern Region
      • Sakhalinskaya Oblast'
        • Kuril Islands
          • Iturup Island
    http://maurice.strahlen.org/kurilles/kurilles.htm
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
    www.koeln.netsurf.de/~w.steffens/khib.htm
    • 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.
    South Africa
     
    • Mpumalanga Province
      • Marble Hall
        • Stavoren - Mutue tin field
    Minerals of South Africa
    South Korea
     
    • Gangwon-do (Kangwon-do; Gang'weondo)
      • Yeongwol-gun (Yongwol-gun)
        • Suju-myon
          • Pophung-ni
    Sudo, T. (1944) Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 31, 6.
    Spain
     
    • Catalonia
      • Girona (Gerona)
        • Ripollès
          • Molló
            • Espinavell (Espinabell)
              • Costabona Mtn
    Mata i Perelló, J.M. (1990). Els minerals de Catalunya. Institut d´Estudis Catalans
          • Setcases
            • Costabona Mountain
    - Bareche, Eugeni (2005). Els minerals de Catalunya: segle XX. Institucio Catalana d'Historia Natural-Grup Mineralògic Català.
    Sweden
     
    • Småland
      • Vetlanda
        • Alseda
    Hisinger 1819
    The Swedish Museum of Natural History, collection # g06265
    Tajikistan
     
    • Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad)
      • Zeravshan Range
        • Yagnob River
    D.I.Belakovskiy data
    Belakovski D.I.. Die Mineralien der brennenden Kohlefloze von Ravat in Tadshikistan, Lapis, 1990, N 12 p.21-26. (in German)
    USA
     
    • Alaska
      • 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.
    • Arizona
      • Gila Co.
        • Globe-Miami District
          • Miami-Inspiration District
            • Inspiration
              • Castle Dome area (Castle Dome Mine area; Pinto Valley Mine area)
    MRDS database Dep. ID #10027321, MRDS ID #M002863.
      • Yavapai Co.
        • White Picacho District
    Jahns, R.H. (1952), Pegmatite deposits of the White Picacho District, Maricopa and Yavapai Cos., AZ, AZ Bur. Mines Bull. 162: 90-93.
    • California
      • Sierra Co.
        • Sierra City District
          • Sierra City
    Browne, J.R. (1869), Report of J. Ross Browne on the mineral resources of the states and territories west of the Rocky Mountains (US Treasury Dept.), 674 pp., H.H. Bancroft and Co., San Francisco [reprint of 2]: 210; Burkart, H. J. (1869), Der Mineralreichthum Californiens und der angrenzenden Staaten und Territorien: Berg- u. hüttenm Zeit., Band 28: 21; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 270.
    • Colorado
      • Chaffee Co.
        • Granite District
          • Twin Lakes Area
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Nathrop
          • Upper Browns Creek area
    P. G. Worcester (1919) Molybdenum Deposits of Colorado. Bulletin 14 - Colorado Geological Survey; U.S. Geological Survey Professional Paper 289
        • Twin Lakes District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Custer Co.
        • Lake Creek District
          • Rainbow Lake District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Gilpin Co.
        • Central City District
    Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Quartz Creek District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Hinsdale Co.
        • Lake City District (Lake District)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Lake Co.
        • Climax District
          • Climax
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Butler, B. S.; Vanderwilt, J. W. (1933) Contributions to economic geology (short papers and preliminary reports), 1933. The Climax molybdenum deposit, Colorado, with a section on history, production, metallurgy, and development, by C. W. Henderson. USGS Bulletin: 846-C
      • San Miguel Co.
        • Ophir District (Iron Springs District)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Idaho
      • Adams Co.
        • Seven Devils District
          • Cuprum
    Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated
      • Boundary Co.
        • Grass Mountain
    Rocks & Min. 70:247
        • Porthill 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.
      • Elmore Co.
        • Roaring River District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Lemhi Co.
        • Blue Wing District
          • Patterson
    R&M 70:4 pp 242-263
        • Mineral Hill District
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Maine
      • York Co.
        • Sanford
    Gems and Minerals of America - Jay Ellis Ransom -1974
    • Montana
      • Cascade Co.
        • Neihart District (Montana District)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Park Co.
        • Emigrant Creek District (Chico District)
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Nevada
      • Esmeralda Co.
        • Divide District
    NBMG Spec. Pub. 31 Minerals of Nevada; NBMG Open File Report 79-3
        • Gold Point District
    NBMG Spec. Pub. 31 Minerals of Nevada; NBMG Open File Report 79-3
      • Humboldt Co.
        • Gold Run District
    NBMG Spec. Pub. 31 Minerals of Nevada
      • Lyon Co.
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Hampshire
      • Grafton Co.
        • Franconia
    No reference listed
        • Landaff
    No reference listed
        • Lebanon
    No reference listed
    • New Jersey
      • Sussex Co.
        • Byram Township
          • Stanhope
    Dana 6:1066; The Iron Mines of NJ (1910), Bayley: 288; NJ State Geol. Ann. Rpt. (1879): 78.
    • New Mexico
      • Sierra Co.
        • Iron Mountain No. 2 District
    USGS Bull 945C
    The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 84.
    John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240.
    • North Carolina
    Genth,Frederick Augustus.,1891,The Minerals Of North Carolina;USGS Bulletion No.74
        • Charlotte Belt
    Joseph Hyde Pratt,Ph.D (1916) North Carolina Geological And Economic Survey,Bulletin No.25.pg#102
    • Pennsylvania
    www.libraries.psu.edu/emsl/guides/X/delaware.htm.
    • Rhode Island
      • Providence Co.
        • Glocester
    Rocks & Min.:10:111.
    • Texas
      • Llano Co.
        • Bluffton
    R&M 66:3 pp 196-224
    • Utah
      • 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.
      • Uintah Co.
        • Uteland Knoll District (Ouray District)
    Contributions to Economic Geology, 1923-24, Part-1
    • Washington
      • Chelan Co.
        • Railroad Creek District
          • Railroad Creek
    Molybdenum; Its Ores and Their Concentration with a discusion of Markets, Prices, and Uses, Horton, Fredrick W., 1916
      • 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
      • Okanogan Co.
        • Colville Indian Reservation
          • Park City District
            • Wasco Hill
    ``Inventory of Washington Minerals, Part II, Metallic Minerals, Vol. 1; M. Huntting, 1956; Minerals of Washington, B. Cannon, 1975
        • Conconully & Galena Districts
          • Aeneas Lake
    Metal Mines of Washington-Preliminary Report; Derkey, Joseph, Lasmanis
        • Havillah
          • Bimetalic Mountain
    Minerals of Washington, Bart Cannon, 1975
      • Snohomish Co.
        • North Fork Skykomish River
    ``Inventory of Washington Minerals, Part II, Metalic Minerals, Vol. 1; M. Huntting, 1956; Minerals of Washington, B. Cannon, 1975
      • Whatcom Co.
        • North Cascades National Park
          • Baker Lake
    http://tin.er.usgs.gov/mrds/show.php?labno=10047750
    • Wyoming
      • Park Co.
    Rocks & Minerals 76:388
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