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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Sericite 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:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite 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:770559
Long-form Identifier:1:3:770559:5
GUID (UUID V4):0
Nearest other occurrences of Sericite
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
2.3km (1.4 miles) ⓘSutro Mine, Bohemotash Mountain, 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
6.2km (3.8 miles) ⓘKeystone Mine, Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
7.3km (4.5 miles) ⓘEarly Bird Mine, Sugarloaf Mountain [3], West Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
31.4km (19.5 miles) ⓘAfterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
33.9km (21.1 miles) ⓘDonkey Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
73.0km (45.3 miles) ⓘWilson-Sylvester claim (Black Diamond Calso group), Red Mountain, Upper Hayfork Creek area, Klamath Mountains, Trinity County, California, USA
99.4km (61.7 miles) ⓘMugginsville, Oro Fino Mining District, Klamath Mountains, Siskiyou County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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