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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Chalcocite from
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


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view 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
Data Identifiers
Mindat Occurrence Record ID:656704
Long-form Identifier:1:3:656704:0
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.6km (1.0 miles) ⓘRising Star Mine (Anchor lode), Bully Hill, Bully Hill, Bully Hill District (Winthrop District), East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
2.2km (1.4 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
4.4km (2.7 miles) ⓘHaley group (Minnie Haley group; Endless Chain A; Kane and Wilber group; Potter; Endless Chain and Missing Link), North Gray Rocks, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
4.4km (2.7 miles) ⓘGraham group (Shasta Belmont; Shasta Balmont), North Gray Rocks, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
12.7km (7.9 miles) ⓘAfterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
14.0km (8.7 miles) ⓘThompson Mine (American Girl Mine), Mountain Gate, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
18.9km (11.7 miles) ⓘGolinsky Mine (Little Backbone Mine; Backbone Mine; Golinski Mine), Mammoth Butte, Backbone District, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
20.0km (12.4 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
24.0km (14.9 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
24.4km (15.2 miles) ⓘBalaklala Mine (Windy Camp Mine), Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
References
(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.65
Laizure, Clyde McK (1921), Redding field division: California Mining Bureau. Report 17: 528
Tucker, W. Burling (1924b), Copper resources of Shasta County: California Mining Bureau. Report 20: 427, 445
Averill, Charles V. (1939), Mineral resources of Shasta County: California Division of Mines Report 35: 127.
 
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