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Two Sisters Occurrence, Eureka District, Gilpin Co., Colorado, USA

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Detailed Mineral List:

Cerussite
Formula:	PbCO₃
Reference:	U.S. Geological Survey Professional Paper 371







Chalcopyrite
Formula:	CuFeS₂
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.







Galena
Formula:	PbS
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 371; USGS Bull 1032A







Gold
Formula:	Au
Reference:	USGS Bull 1032A







Kasolite
Formula:	Pb(UO₂)[SiO₄] · H₂O
Reference:	Minerals of Colorado (1997) Eckels, E. B.; U.S. Geological Survey Professional Paper 371; USGS Bull 1032A







Limonite
Formula:	FeO(OH) · nH₂O
Reference:	U.S. Geological Survey Professional Paper 371; USGS Bull 1032A







Metatorbernite
Formula:	Cu(UO₂)₂(PO₄)₂ · 8H₂O
Reference:	Minerals of Colorado (1997) E.B. Eckels; U.S. Geological Survey Professional Paper 371; USGS Bull 1032A







Pyrite
Formula:	FeS₂
Reference:	U.S. Geological Survey Professional Paper 371







Quartz
Formula:	SiO₂
Reference:	U.S. Geological Survey Professional Paper 371







Smithsonite
Formula:	ZnCO₃
Reference:	U.S. Geological Survey Professional Paper 371







Sphalerite
Formula:	ZnS
Reference:	Minerals of Colorado (1997) E.B. Eckels; U.S. Geological Survey Professional Paper 371; USGS Bull 1032A







Uraninite var: Pitchblende
Formula:	UO₂
Reference:	U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; U.S. Geological Survey Professional Paper 371

12 entries listed. 10 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Jobs in Colorado, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 2nd Jul 2011 06:13:06