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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Mica Group from
Road Gulch, Fremont County, Colorado, USA


Locality type:Gulch
Classification
Species:'Mica Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Mica Group data
Locality Data:Click here to view Road Gulch, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35147
Long-form Identifier:1:3:35147:2
GUID (UUID V4):0
Nearest other occurrences of Mica Group
12.4km (7.7 miles) ⓘCotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
15.6km (9.7 miles) ⓘBull Gulch Mica Mine, Fremont County, Colorado, USA
22.0km (13.7 miles) ⓘParkdale, Fremont County, Colorado, USA
28.8km (17.9 miles) ⓘKnickerbocker Hill, Rosita Mining District, Custer County, Colorado, USA
36.3km (22.5 miles) ⓘI. Kreiner Mine, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
44.0km (27.4 miles) ⓘMarvel Occurrence, Cleora Mining District, Chaffee County, Colorado, USA
47.3km (29.4 miles) ⓘRoyal Bo (Riegal), Turret Mining District, Chaffee County, Colorado, USA
48.0km (29.8 miles) ⓘBlue Brute and Sevilla Queen claims, Turret Mining District, Chaffee County, Colorado, USA
48.0km (29.8 miles) ⓘCalumet Mine, Turret Mining District, Chaffee County, Colorado, USA
62.4km (38.8 miles) ⓘUnnamed Uranium - Feldspar Mine (MRDS - 10013132), Saguache 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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