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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Titanium-bearing Augite from
Garrison, Powell County, Montana, USA


Classification
Species:Augite var: Titanium-bearing Augite
Formula:(Ca,Na)(Mg,Ti, Fe,Al,)(Si,Al)2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Titanium-bearing Augite data
Locality Data:Click here to view Garrison, Powell County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:158372
Long-form Identifier:1:3:158372:4
GUID (UUID V4):0
References
KUNZ, Rebecca S., (2003) ALKALINE DIKES AND SILLS OF GARRISON, MT: A POSSIBLE EXTENSION OF THE CENTRAL MONTANA ALKALIC PROVINCE. GSA Rocky Mountain - 55th Annual Meeting (May 7-9, 2003)
 
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