Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Native Copper from
Greenhorn Mine (Greenhorn vein; Willow Creek Mines Inc.; Warren Brothers), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA


Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Comments:Occurs with azurite and unspecified sulphides.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Azurite
Data
Mineral Data:Click here to view Native Copper data
Locality Data:Click here to view Greenhorn Mine (Greenhorn vein; Willow Creek Mines Inc.; Warren Brothers), French Gulch, French Gulch Mining District, Klamath Mountains, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:333232
Long-form Identifier:1:3:333232:0
GUID (UUID V4):0
Nearest other occurrences of Native Copper
17.7km (11.0 miles) ⓘGreat Verde Mine (Vulcan Mine), Mammoth Butte, Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
17.9km (11.1 miles) ⓘBalaklala Mine (Windy Camp Mine), Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
18.4km (11.5 miles) ⓘShasta King Mine (Lost Desert Mine; Trinity Mine), Mammoth Butte, Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
23.0km (14.3 miles) ⓘMammoth Mine (Mammoth Copper Company; Anderson Mine; Mayflower Mine; Sheridan Mine; Gillispie Mine), Copper Crest group, Mammoth Butte, Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
27.3km (17.0 miles) ⓘMountain Copper Mine, Redding, Redding Mining District, Shasta County, California, USA
34.6km (21.5 miles) ⓘGossan group, Dog Creek Mountain, Dog Creek Mining District, Klamath Mountains, Shasta County, California, USA
34.8km (21.6 miles) ⓘLorenze occurrence, Red Hill, Junction City, Junction City Mining District, Klamath Mountains, Trinity County, California, USA
38.0km (23.6 miles) ⓘUnnamed Cu occurrence [1], Helena, North Fork Mining District, Salmon Mountains, Klamath Mountains, Trinity County, California, USA
42.3km (26.3 miles) ⓘBaxter Winthrop Mine (Winthrope Mine; Baxter Mine; Copper City Mine; Excelsior claim; Brown claim; Humboldt claim; Baxter claim), Bully Hill, Bully Hill, Bully Hill District (Winthrop District), East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
44.1km (27.4 miles) ⓘBully Hill Mine (Shasta Zinc and Copper Mine; Bully Hill-Rising Star Mine; Copper City Mine; Rising Star Mine; Delamar Mine; Shasta Zinc and Copper Mine), Bully Hill, Bully Hill, Bully Hill District (Winthrop District), East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
References
Tucker, W. Burling (1924b), Copper resources of Shasta County: California Mining Bureau. Report 20: 433
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 94, 159.
 
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