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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Diopside from
Bratcher Mine, Ashland Mining District, Jackson County, Oregon, USA


Locality type:Mine
Classification
Species:Diopside
Formula:CaMgSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Bratcher Mine, Ashland Mining District, Jackson County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:295246
Long-form Identifier:1:3:295246:8
GUID (UUID V4):0
References
Wolfe, Harold D. and White, David J., 1951, Preliminary Report on Tungsten in Oregon, Oregon Dept. of Geology and Mineral Industries Short Paper No. 22, page
 
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