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Collophane

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Big Photo

Mapimí, Mun. de Mapimí, Durango, Mexico
© Danny Jones

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A variety of Carbonate-rich Apatite

A name used for the massive, cryptocrystalline, colloidal (amorphous) varieties of Carbonate-Fluorapatite or Carbonate-Hydroxylapatite, such as those that constitute the bulk of phosphate rock and fossil bone.

Often appears opaline or horn-like, with a dense, layered or colloform structure; concretionary, nodular, spherulitic, or pulverulent at times.

Classification of Collophane

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Other Names for Collophane

Synonyms:
CollophaniteGrodnolite
Other Languages:
German:Collophanit
Kollophan
Kollophanit
Spanish:Collophanita

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 Collophane

Reference List:

- +
Sandberger (1870) Neues Jahrbuch für Mineralogie, Geologie und Paleontologie, Heidelberg, Stuttgart: 308 (as Kollophan).

Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 808.

Rogers (1922) American Journal of Science: 3: 269.

Morozewicz (1924) Bulletin de la Société française de Minéralogie: 47: 46 (as Grodnolite).

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.: 879.

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    • Localities for Collophane

    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.
    Hide Locality List
    (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
     
    • Australian Capital Territory
      • Brindabella Mts
        • Cotter
    		Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    • Western Australia
      • Dandaragan Shire
        • Jurien Bay
    		Helictite 13:19-33
    Austria
     
    • Vorarlberg
    		R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
    Bolivia
     
    • Santa Cruz Department
      • Velasco Province
    		No reference listed
    Brazil
     
    • Goiás
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.
    Cambodia
     
    • Bătdâmbâng (Khet Batdambang; Battambang) Province
      • Sisophon
    		Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN.
    • Kam Pot Province
    		Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN.
    China
     
    • Chongqing Municipality
      • Wushan Co.
    		Jun Xiao, Yansong Liu, Chuanmin Sun, Zhengwei He, Nengjiong Li, Qinglei Zhou, and Jiongguan Li (2009): Journal of Mineralogy and Petrology 30(3), 69-73, Yansong Liu, Zhengwei He, Xiaojun Long, Nengjiong Li, and Hai Liao (2010): Geology and Exploration 46(2), 230-237
    • Gansu Province
      • Lanzhou Prefecture
    		Baoqin Ru (1987): Geology and Prospecting 23(3), 47
    • Guangxi Zhuang Autonomous Region
      • Chongzuo Prefecture
        • Tiandeng Co.
    		Ruifu He and Hongwu Tan (1981): Geological Review 46(2), 157-160
    • Guizhou Province
      • Bijie Prefecture
        • Zhijin Co.
    		Orris, G.J., and Grauch, R.I. (2002): USGS Open-File Report 02-189.; Huixin Jin, Hua Wang, and Junqi Li (2007): Chinese Journal of Rare Metals 31(3).
    Junying Zhang, Deyi Ren, Yanming Zhu, Chenlin Chou, Rongshu Zeng, and Baoshan Zheng (2004): International Journal of Coal Gology 57(1), 49-61.
        • Ceheng Co.
    		http://brightrich.com/mineral_summary.htm
      • Zunyi Prefecture
        • Zunyi Co.
          • Zunyi Ni-Mo-PGE-Au ore field
    		Shaoyong Jiang, Yongquan Chen, Hongfei Ling, Jinghong Yang, Hongzhen Feng, and Pei Ni (2006): Mineralium Deposita 41, 453-467.; Jingwen Mao, Guangdi Zhang, Andao Du, Yitian Wang, and Mingguo Zeng (2001): Acta Geologica Sinica 75(2), 234-243
    • Hainan Province (Hainan Island)
      • Baoting Co.
    		USGS Open-file report 02-156
    • Hubei Province
      • Huangshi Prefecture
        • Yangxin Co.
          • Fengshan ore field
    		Fangshi Zhen, Qingshan Liao, and Mingyu Zhu (2008): Resources & Industries 10(2), 121-126
    • Hunan Province
      • Zhangjiajie Prefecture
        • Cili Co.
    		Youyu Li, Shuzhen Cheng, Yuchen Zhai, Mingxun Dai, and Guishen Xu (1994): Geology and Prospecting 30(3), 15-19; Nansheng Chen (1996), In: Tu Guangzhi (ed.): Geochemistry of Strata-Bound Deposits in China. Science Press (Beijing), 528-548
      • Zhuzhou Prefecture
        • Chaling Co.
    		Zhengqin Li (1978): Geology and Prospecting 14(6), 55-58
    Zhengqin Li (1978): Geology and Prospecting 14(6), 55-58
    Zhengqin Li (1978): Geology and Prospecting 14(6), 55-58
    Zhengqin Li (1978): Geology and Prospecting 14(6), 55-58
    • Jiangxi Province
      • Fuzhou Prefecture
        • Chongren Co.
          • Xiangshan Uranium ore field
    		Dahlkamp, F.J., Ed. (2009): Uranium Deposits of the World. Springer (Berlin, Heidelberg), pp. 31-156
        • Le'an Co.
          • Xiangshan Uranium ore field
            • Zoujiashan ore district
    		Dahlkamp, F.J., Ed. (2009): Uranium Deposits of the World. Springer (Berlin, Heidelberg), pp. 31-156
      • Yingtan Prefecture
        • Guixi Co.
          • Shengyuan (Yingtan) Uranium ore field
    		Dahlkamp, F.J., Ed. (2009): Uranium Deposits of the World. Springer (Berlin, Heidelberg), pp. 31-156
    • Shaanxi Province
      • Ankang Prefecture
        • Ziyang Co.
    		Lü Zhicheng, Liu Congqiang, Liu Jiajun, and Zhao Zhiqi (2003): Science in China, Series D (Earth Sciences), 46(12), 1273-1291.
    • Sichuan Province
      • Leshan Prefecture
        • Emeishan Co.
          • Gaoqiao
    		Huaikui Tu (2001): Northwestern Uranium Geology 27(1), 13-16
        • Mabian Co.
    		Xueduo Cao, Guonan Gan, and Tianlun Chen (1985): Journal of Mineralogy and Petrology 6(1), 85-96
    Zejiang Wang (1981): Geology and Prospecting 17(10), 7-15
      • Liangshan Autonomous Prefecture
        • Leibo Co.
          • Shibantan
    		Huaikui Tu (2001): Northwestern Uranium Geology 27(1), 13-16
        • Ningnan Co.
          • Quezhushan Pb-Zn ore field
    		Zejiang Wang (1981): Geology and Prospecting 17(10), 7-15
      • Mianyang Prefecture
        • Pingwu Co.
          • Mt Xuebaoding
            • Huya township
    		Hongjun Liu and Youzhi Xue (1999): Ore Geology Reviews 15, 165-176.
      • Ya'an Prefecture
        • Hanyuan Co.
          • Dadu river valley Pb-Zn mining district
    		Lin Fangcheng, and Pan Guitang (2006): Science in China, Series D (Earth Sciences), 49(11), 1135-1146.
    • Yunnan Province
      • Kunming Prefecture
        • Jinning Co.
    		Chernoff, C.B. and Orris, G.J. (2002): USGS Open-File Report 02-156-A.
          • Liujie
    		Huaikui Tu (2001): Northwestern Uranium Geology 27(1), 13-16
      • Qujing Prefecture
        • Zhanyi Co.
    		Nansheng Chen (1996), In: Tu Guangzhi (ed.): "Geochemistry of Strata-Bound Deposits in China", Science Press (Beijing), 528-548
    • Zhejiang Province
      • Shaoxing Prefecture
        • Yuecheng District
          • Lizhu (Lichu) ore field
    		Nansheng Chen and Xiuzhen Yang (1987): Geochimica 16(3), 208-214
    India
     
    www.dae.gov.in/ni/nijul03/cudapah.pdf.
    • Orissa
      • Koraput District
    		Acharya, B.C., Rao, D.S., and Sahoo, R.K. (1997): Mineralium Deposita 32, 79-93.
    • Uttarakhand
      • Dehradun District
    		S. C. Tripathi (1985) Framboidal pyrite from Mussoorie phosphorite and its geological implication — Proceedings of the Indian Academy of Sciences, Earth and Planetary Sciences, 94, 315-321.
    Italy
     
    • Latium
      • Viterbo Province
        • Vico lake
          • Pianciano
    		F. Stoppa and Y. Liu, Eur. J. Mineral. , 1995, 7, pp. 391-402.
    Mexico
     
    • Durango
      • Mun. de Mapimí
    		Yale Peabody Museum #5163
    Saint Helena
     
    Richard, G. (1928): Newberyite and other phosphates from Ascension Island. Am. Mineral. 13, 397-401.; 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: 710.
    UK
     
    • England
      • Derbyshire
    		Ford, T., A. Sarjeant & M. Smith (1993) The minerals of the Peak district of Derbyshire UK Jour. Mines & Minerals 13:16-55
        • Castleton
    		Quirk, D.G. (1986): Bulletin of the Peak District Mines Historical Society 9(6), 333-386
        • Matlock
    		Ford, T., A. Sarjeant & M. Smith (1993) The minerals of the Peak district of Derbyshire UK Jour. Mines & Minerals 13:16-55
    Ford, T., A. Sarjeant & M. Smith (1993) The minerals of the Peak district of Derbyshire UK Jour. Mines & Minerals 13:16-55
      • Devon
        • South Devon
          • Newton Abbot
    		Proudfoot, V.B. (1958): Mineralogical Magazine 31, 344-345; Braithwaite, R.S.W., and Cooper, B.V. (1982): Mineralogical Magazine 46, 119-126
      • Somerset
        • Cranmore
    		Turner, R. (2006): A mechanism for the formation of the mineralized Mn deposits at Merehead Quarry, Cranmore, Somerset, England. Mineralogical Magazine 70, 629-653.
    USA
     
    • Alabama
      • Jefferson Co.
    		Rocks & Min 70:5 pp 320-333
      • Limestone Co.
    		Rocks & Min 70:5 pp 320-333
    Mineralogy of Alabama Geol Surv Ala. Bull120
    Mineralogy of Alabama Geol Surv Ala. Bull120
    • Alaska
      • Southeast Fairbanks Borough
        • Black District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • California
      • Humboldt Co.
        • Coastal Range
    		Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 78.
    Pelletier, 1962. Mineral Species & Localities of Marin County
      • Monterey Co.
        • San Lucas
    		Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: 81; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316.
        • Santa Lucia Mts (Santa Lucia Range)
          • Carmel-by-the-Sea
            • Carmel Valley
              • North side of Carmel Valley
    		Reed, Ralph Daniel (1927), Phosphate beds in the Monterey shales (abstract): Geological Society of America Bulletin: 38: 195-196; Galliher, Edgar Wayne (1931), Collophane from Miocene brown shales of California American Association of Petroleum Geologists Bulletin: 15: 266; Rogers, Austin Flint (1944) Pellet phosphorite from Carmel Valley, Monterey County, California. California Division of Mines Report 40: 411; Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: 81, 134.
          • Reliz Canyon
    		Galliher, Edgar Wayne (1931), Collophane from Miocene brown shales of California American Association of Petroleum Geologists Bulletin: 15: 266; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 79; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316.
    Reed, Ralph Daniel (1927), Phosphate beds in the Monterey shales (abstract): Geological Society of America Bulletin: 38: 195-196; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 316.
      • San Diego Co.
    		Dietz, R.S. & K.O. Emery (1938), Marine phosphorite deposits off the coast of California: …(abstract): Geological Society of America Bulletin: 49: 1878; Kolodny, Y. and Kaplan, I.R. (1970) Uranium isotopes in sea-floor phosphorites. Eochimica et Cosmochimica Acta: 34: 3; Dietz, R.S., K.O. Emery & F.P. Shepard (1942), Phosphite deposits on the sea floor off southern California: Geological Society of America Bulletin: 53: 819; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 200; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 429.
      • Santa Barbara Co.
    		Galliher, Edgar Wayne (1931), Collophane from Miocene brown shales of California American Association of Petroleum Geologists Bulletin: 15: 266; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 79.
    • Florida
      • Hamilton Co.
        • Hard-Rock Phosphate District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • North Florida Phosphate 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.
      • Hardee Co.
        • Land Pebble Phosphate 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.
        • South Florida Phosphate District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Hillsborough Co.
        • Central Florida Phosphate District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Land Pebble Phosphate 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.
      • Manatee Co.
        • South Florida Phosphate 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.
      • Polk Co.
        • Central Florida Phosphate District (Bone Valley)
    		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.
    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.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Land Pebble Phosphate 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.
    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.
        • New Wales
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Indiana
    		Erd, R. C. and S.S. Greenburg (1960) Minerals of Indiana. Indiana Geological Survey Bulletin 18 73pp
        • Logansport
    		Erd, R. C. and S.S. Greenburg (1960) Minerals of Indiana. Indiana Geological Survey Bulletin 18 73pp
      • Greene Co.
        • Newark
    		Erd, R. C. and S.S. Greenburg (1960) Minerals of Indiana. Indiana Geological Survey Bulletin 18 73pp
    Gems and Minerals of America- Jay Ellis Ransom-1974
    • Kentucky
      • Crittenden Co.
        • Illinois - Kentucky Fluorspar District
    		Rocks & Minerals 81:420-440
      • Livingston Co.
        • Illinois - Kentucky Fluorspar District
          • Salem
            • Hutson Zinc mine
    		Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
    Anderson (1994) Kentucky Geol. Survey Ser. XI Spec. Pub 20; Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440
    • Maine
      • Aroostook Co.
        • Castle Hill
        • T3 R9 WELS
    		King & Foord, 1994. Mineralogy of Maine, Vo. 1.
        • TD R2 WELS
    		Pavlides, Louis and Milton, Charles, 1962, Geology and Manganese Deposits of the Maple and Hovey Mountains Area, Aroostook County, Maine, U. S. Geological Survey Professional Paper 362, pp. 116 + plates.
    King & Foord, 1994. Mineralogy of Maine, Vo. 1.
    • Michigan
      • Houghton Co.
    		Mineralogy of Michigan (2004) Heinrich & Robinson
      • Marquette Co.
    		Mineralogy of Michigan (2004) Heinrich & Robinson
    • Nevada
      • Churchill Co.
        • Wild Horse District
    		NBMG Bull 80 Geology and Mineral Deposits of Lander County, Nevada
    NBMG Bull 80 Geology and Mineral Deposits of Lander County, Nevada
      • Esmeralda Co.
        • Tonopah District
    		NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
    NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
      • Lander Co.
        • Wild Horse District
    		USGS Bull 931-K
    • New Jersey
      • Sussex Co.
        • Andover Township
    		NJ State Geol. Ann. Rpt (1900):177.
    • North Carolina
      • Beaufort Co.
        • North Carolina Phosphate 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
    • Tennessee
      • Davidson Co.
    		Travis A. Paris (2011) Tennessee Mineral Locality Index. Rocks & Minerals 86:300-328
      • Decatur Co.
        • Bath Springs
    		Paris, T.A. (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
        • Decaturville
    		Paris, T.A. (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
      • Sumner Co.
        • Kansas
    		Paris, T.A. (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Paris, T.A. (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
      • Williamson Co.
        • Franklin phosphate district
    		Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328.
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Utah
      • Daggett Co.
        • Uinta Mts
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Duchesne Co.
        • South Flank Uinta Mts
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Rich Co.
        • Dairy Ridge
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Summit Co.
        • Uinta Mts
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Tooele Co.
        • Oquirrh Mts
          • Ophir District
            • Dry Canyon area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Uintah Co.
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Split Mtn Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Utah Co.
        • Diamond Fork Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Hobble Creek Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Wasatch Co.
        • Heber City Area
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    UGMS Bull 117 Minerals and Mineral Localities of Utah
        • Wasatch Mts
          • Park City District
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Virginia
      • Alleghany Co.
        • Clifton Forge Iron District
    		Minerals of Virginia 1990 by R. V. Dietrich
      • Giles Co.
    		Minerals of Virginia 1990 by R. V. Dietrich
      • Hanover Co.
    		Minerals of Virginia 1990 by R. V. Dietrich
      • King William Co.
    		Minerals of Virginia 1990 by R. V. Dietrich
    • Wisconsin
      • Dodge Co.
        • Iron Ridge District (Neda Iron District)
    		Rocks & Min. Vol. 73 (1998)
    • Wyoming
      • Fremont Co.
    		U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    Mineral and/or Locality
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