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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Quartz from
Afterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chalcopyrite2
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Afterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:565871
Long-form Identifier:1:3:565871:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.5km (0.3 miles) ⓘCook Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
1.4km (0.9 miles) ⓘSugarloaf and Homestake (Sugarloaf group; Homestake group), Sugarloaf [4], East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
1.6km (1.0 miles) ⓘOld Indian Mine (F. J. Ward Mine), Sugarloaf [4], East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
2.2km (1.4 miles) ⓘSugar Loaf Mine, Sugarloaf [4], East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
2.5km (1.5 miles) ⓘDonkey Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
3.0km (1.9 miles) ⓘArndt-Haschke Mine, Sugarloaf [4], East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
15.0km (9.3 miles) ⓘPit River Consolidated Mines (Pit River Mine), Heroult, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
20.3km (12.6 miles) ⓘThompson Mine (American Girl Mine), Mountain Gate, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
26.5km (16.4 miles) ⓘNational group (Forbes; Veteran), Shasta Dam, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
27.1km (16.8 miles) ⓘGold Bar Nos. 1-4 Mine, Shasta Lake City (Central Valley; Toyon; Project City; Pine Grove; and Summit City), East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
References
Econ Geol (1988) 83:588-605
 
and/or  
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