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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Augite from
Iron Mountain, Iron Mountain complex, Fremont County, Colorado, USA


Locality type:Mountain
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 Iron Mountain, Iron Mountain complex, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:463284
Long-form Identifier:1:3:463284:9
GUID (UUID V4):0
Nearest other occurrences of Augite
1.9km (1.2 miles) ⓘIron Mountain Mine (Iron Mountain Deposit; Iron Mountain Titaniferous Magnetite Deposit), McClure Mountain Complex, Fremont County, Colorado, USA
10.3km (6.4 miles) ⓘRoad Gulch, Fremont County, Colorado, USA
14.4km (8.9 miles) ⓘVermiculite Mine (MRDS - 10013422), Gem Park complex, Fremont County, Colorado, USA
18.7km (11.6 miles) ⓘAmethyst carbonatite, McClure Mountain Complex, Fremont County, Colorado, USA
53.8km (33.4 miles) ⓘSouth Park Basalt (2), South Park, Park County, Colorado, USA
55.0km (34.2 miles) ⓘCalumet Mine, Turret Mining District, Chaffee County, Colorado, USA
92.6km (57.5 miles) ⓘBuffalo Peaks, Chaffee County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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