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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Chromium-bearing Diopside from
Twin Lakes Cabin Area, Sisters Mining District, Whatcom County, Washington, USA


Locality type:Lake
Classification
Species:Diopside var: Chromium-bearing Diopside
Formula:Ca(Mg,Cr)Si2O6
Colour:bright green
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chromium-bearing Diopside data
Locality Data:Click here to view Twin Lakes Cabin Area, Sisters Mining District, Whatcom County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:436673
Long-form Identifier:1:3:436673:7
GUID (UUID V4):0
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.pages 43,73
 
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