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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Phlogopite from
Vermiculite Mine (MRDS - 10013422), Gem Park complex, Fremont County, Colorado, USA


Locality type:Mine
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Vermiculite Mine (MRDS - 10013422), Gem Park complex, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35295
Long-form Identifier:1:3:35295:8
GUID (UUID V4):0
Nearest other occurrences of Phlogopite
0.9km (0.6 miles) ⓘGem Mine, Gem Park complex, Fremont County, Colorado, USA
1.1km (0.7 miles) ⓘNiles Mine, Gem Park complex, Custer County, Colorado, USA
8.2km (5.1 miles) ⓘMcClure Mountain, Iron Mountain complex, Fremont County, Colorado, USA
18.3km (11.4 miles) ⓘCotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
22.3km (13.9 miles) ⓘIron Mountain Mine (Iron Mine; Iron Hill Mine), Rosita Mining District, Custer County, Colorado, USA
56.4km (35.1 miles) ⓘSedalia Mine (Sedalia Copper Mine), Sedalia Mining District, Chaffee County, Colorado, USA
57.0km (35.4 miles) ⓘAce High - Jackpot Prospect, Turret Mining District, Chaffee County, Colorado, USA
57.3km (35.6 miles) ⓘIndependence Mine, Turret Mining District, Chaffee County, Colorado, USA
63.3km (39.4 miles) ⓘCinderella, Chaffee County, Colorado, USA
77.3km (48.1 miles) ⓘPikes Peak, El Paso County, Colorado, USA
References
USGS Prof Paper 649
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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