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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Andesine from
Timber Mountain, Pend Oreille County, Washington, USA


01423620017367412571661.jpg
Andesine

Timber Mountain, Pend Oreille County, Washington, USA
01423620017367412571661.jpg
Andesine

Timber Mountain, Pend Oreille County, Washington, USA
00801930017272038445030.jpg
Andesine

Timber Mountain, Pend Oreille County, Washington, USA
Locality type:Mountain
Classification
Species:Albite var: Andesine
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Habit:crystals to 1"
Colour:colorless
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andesine data
Locality Data:Click here to view Timber Mountain, Pend Oreille County, Washington, USA
Data Identifiers
Mindat Occurrence Record ID:98120
Long-form Identifier:1:3:98120:0
GUID (UUID V4):0
References
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.p.43
 
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