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
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


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 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
Data Identifiers
Mindat Occurrence Record ID:770557
Long-form Identifier:1:3:770557:1
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.4km (0.9 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
4.8km (3.0 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
5.5km (3.4 miles) ⓘBalaklala Mine (Windy Camp Mine), Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
11.8km (7.3 miles) ⓘIron Mountain Mine (Number 8; Confidence; Old Mine), Iron Mountain, Iron Mountain [town], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
15.0km (9.3 miles) ⓘThompson Mine (American Girl Mine), Mountain Gate, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
15.6km (9.7 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
15.6km (9.7 miles) ⓘGraham group (Shasta Belmont; Shasta Balmont), North Gray Rocks, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
20.0km (12.4 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
20.7km (12.8 miles) ⓘMountain Monarch Mine (Monarch Mountain prospect), Monarch Mountain, West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
21.1km (13.1 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
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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