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Eureka Mine (Eureka & Grizzly Mine; Eureka claim; Grizzly claim), Big Oak Flat, Big Oak Flat District, East Belt, Tuolumne 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
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3(Si4O10)(OH)2
Unclassified Minerals
Quartz
var: Rock Crystal
-SiO2


4 entries listed. 4 valid minerals.

References

Crawford, James John (1896), Thirteenth report of the State Mineralogist: California Mining Bureau. Report 13: 480.

Logan, Clarence August (1949), Mines and mineral resources of Tuolumne County, California: California Journal of Mines and Geology: 45(1): 65, Pl. 8.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 204.

Rocks & Minerals (1988): 63: 49.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077933 & 10165961.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0061090425.

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