Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Augite from
Cartwright Calcite Deposit (Cartwright Crystal Spar Group), Sweet Grass County, Montana, USA


Locality type:Deposit
Classification
Species:Augite
Formula:(CaxMgyFez)(Mgy1Fez1)Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Augite data
Locality Data:Click here to view Cartwright Calcite Deposit (Cartwright Crystal Spar Group), Sweet Grass County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1647712
Long-form Identifier:1:3:1647712:4
GUID (UUID V4):0
Nearest other occurrences of Augite
27.1km (16.8 miles) ⓘPicket Pins prospect (Picket Pin occurrence), Sweet Grass County, Montana, USA
48.5km (30.1 miles) ⓘCrazy Mountains, Meagher County, Montana, USA
89.6km (55.7 miles) ⓘGordon Butte, Meagher County, Montana, USA
References
(1958) Optical calcite deposits in Park and Sweet Grass Counties, Montana. Bulletin 1042m. US Geological Survey doi:10.3133/b1042m p.448
 
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