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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Grossular from
Defiance Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA


Locality type:Mine
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Defiance Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:768758
Long-form Identifier:1:3:768758:7
GUID (UUID V4):0
Nearest other occurrences of Grossular
33.5km (20.8 miles) ⓘBird Springs Garnet claim (Nelson Range deposit), Summit 2347 meters, Nelson Range, Lee Mining District, Inyo County, California, USA
77.4km (48.1 miles) ⓘSan Carlos Mine (Old San Carlos Mine), Kearsarge, Kearsarge Mining District [2], Inyo Mts (Inyo Range), Inyo County, California, USA
References
Knopf, Adolf (1914a), The Darwin silver-lead mining district, California: USGS Bulletin 580: 1-18.
 
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