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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Chromite from
Copsey claims (Manzanita; Uncle Josh claims; Mint; Coppey claim), Western Group of Lake County, Howard Springs, Lake County, California, USA


Locality type:Claim
Classification
Species:Chromite
Formula:Fe2+Cr23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chromite data
Locality Data:Click here to view Copsey claims (Manzanita; Uncle Josh claims; Mint; Coppey claim), Western Group of Lake County, Howard Springs, Lake County, California, USA
Data Identifiers
Mindat Occurrence Record ID:328013
Long-form Identifier:1:3:328013:3
GUID (UUID V4):0
Nearest other occurrences of Chromite
3.4km (2.1 miles) ⓘUnnamed Cr occurrence [11], Howard Springs, East Mayacmas Mining District, Lake County, California, USA
6.1km (3.8 miles) ⓘGordon Springs deposits, Cobb, East Mayacmas Mining District, Lake County, California, USA
6.4km (4.0 miles) ⓘPopp and Nichelini claim, Seigler Springs, Cobb, East Mayacmas Mining District, Lake County, California, USA
7.4km (4.6 miles) ⓘHarp and Sons Ranch deposits, Middletown, East Mayacmas Mining District, Lake County, California, USA
7.7km (4.8 miles) ⓘWhispering Pines prospect, Cobb, East Mayacmas Mining District, Lake County, California, USA
8.5km (5.3 miles) ⓘUnnamed Cr occurrence [6], Cobb, East Mayacmas Mining District, Lake County, California, USA
11.7km (7.3 miles) ⓘBrown prospect, Caldwell Pines, East Mayacmas Mining District, Lake County, California, USA
13.9km (8.6 miles) ⓘGreat Western Mine (Laguna Western; Black Bart Mine; Tucker lease), Great Western-Mirabel group, Middletown, East Mayacmas Mining District, Lake County, California, USA
14.1km (8.8 miles) ⓘWarner and Clark claim, Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USA
15.5km (9.6 miles) ⓘMagnola Mine, Detert Reservoir, East Mayacmas Mining District, Lake County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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