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Copper Crest group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc District, Klamath Mts, Shasta Co., California, USA

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List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper	1.1.1.3	Cu
Gold	1.1.1.1	Au
Silver	1.1.1.2	Ag
Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 2:1
Chalcocite	2.4.7.1	Cu₂S
Digenite	2.4.7.3	Cu₉S₅
A_mB_nX_p, with (m+n):p = 3:2
Bornite	2.5.2.1	Cu₅FeS₄
A_mX_p, with m:p = 1:1
Covellite	2.8.12.1	CuS
Galena	2.8.1.1	PbS
Greenockite	2.8.7.2	CdS
Sphalerite	2.8.2.1	ZnS
A_mB_nX_p, with (m+n):p = 1:1
Chalcopyrite	2.9.1.1	CuFeS₂
Idaite	2.9.14.1	Cu₅FeS₆
A_mB_nX_p, with (m+n):p = 1:2
Arsenopyrite	2.12.4.1	FeAsS
Pyrite	2.12.1.1	FeS₂
Group 3 - SULFOSALTS
3 <ø < 4
Tennantite	3.3.6.2	(Cu,Ag,Fe,Zn)₁₂As₄S₁₃
Tetrahedrite	3.3.6.1	(Cu,Fe,Ag,Zn)₁₂Sb₄S₁₃
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
Calcite	14.1.1.1	CaCO₃
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
Quartz	75.1.3.1	SiO₂
Unclassified Minerals
'Chlorite Group'	-
Muscovite var: Sericite	-	KAl₂(AlSi₃O₁₀)(OH)₂

20 entries listed. 19 valid minerals.

References

Eric, J.C. (1948), Copper in California: California Division of Mines Bulletin 144: 32.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10033814.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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: 21st Jun 2012 21:37:44