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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Cordierite from
Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA


Locality type:Park
Classification
Species:Cordierite
Formula:Mg2Al4Si5O18
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Eight Mile Park, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:35064
Long-form Identifier:1:3:35064:0
GUID (UUID V4):0
Nearest other occurrences of Cordierite
11.3km (7.0 miles) ⓘHorseshoe Mine (School Section Deposit), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.4km (7.1 miles) ⓘEl Plomo Mine, Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.7km (7.3 miles) ⓘDawson Gold project, Fremont County, Colorado, USA
14.4km (9.0 miles) ⓘGreen Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
20.6km (12.8 miles) ⓘHighway 50 roadcut, Texas Creek Area, Fremont County, Colorado, USA
25.7km (16.0 miles) ⓘClimax Mine (Mine No. 8 U.S. Mica Company; Climax Mica Mine), Micanite Mining District (Currant Creek Mining District), Colorado, USA
30.9km (19.2 miles) ⓘMill Gulch Mine, Guffey Mining District, Park County, Colorado, USA
31.6km (19.6 miles) ⓘFamous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining), Micanite Mining District (Currant Creek Mining District), Colorado, USA
33.8km (21.0 miles) ⓘCotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
34.4km (21.4 miles) ⓘCopper King Mine (Copper Queen Mine), Guffey Mining District, Park 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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