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
Parkdale, Fremont County, Colorado, USA


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 Parkdale, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1500259
Long-form Identifier:1:3:1500259:8
GUID (UUID V4):0
Nearest other occurrences of Mica Group
21.8km (13.5 miles) ⓘBull Gulch Mica Mine, Fremont County, Colorado, USA
22.0km (13.7 miles) ⓘRoad Gulch, Fremont County, Colorado, USA
27.4km (17.0 miles) ⓘCotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
40.8km (25.4 miles) ⓘKnickerbocker Hill, Rosita Mining District, Custer County, Colorado, USA
52.6km (32.7 miles) ⓘCalumet Mine, Turret Mining District, Chaffee County, Colorado, USA
53.0km (32.9 miles) ⓘRoyal Bo (Riegal), Turret Mining District, Chaffee County, Colorado, USA
53.1km (33.0 miles) ⓘMarvel Occurrence, Cleora Mining District, Chaffee County, Colorado, USA
53.5km (33.3 miles) ⓘBlue Brute and Sevilla Queen claims, Turret Mining District, Chaffee County, Colorado, USA
57.7km (35.9 miles) ⓘI. Kreiner Mine, Crestone Mining District (Baca Grant Mining District), Saguache County, Colorado, USA
62.8km (39.0 miles) ⓘKatydid Mine (Rogers Publishing Company Mine), Wilkerson Pass Area, Park County, Colorado, USA
References
Herinrich E. W. (1948) Pegmatites of Eight Mile Park, Fremont County, Colorado, Department of Mineralogy, University of Michigan.
 
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