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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Dolomite from
Doctor Mine, Spring Creek (Spring Gulch), Gunnison County, Colorado, USA


Locality type:Mine
Classification
Species:Dolomite
Formula:CaMg(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dolomite data
Locality Data:Click here to view Doctor Mine, Spring Creek (Spring Gulch), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:431206
Long-form Identifier:1:3:431206:2
GUID (UUID V4):0
Nearest other occurrences of Dolomite
1.9km (1.2 miles) ⓘDoctor, Spring Creek (Spring Gulch), Gunnison County, Colorado, USA
14.6km (9.1 miles) ⓘItalian Mountain, Taylor Park, Dorchester Mining District, Gunnison County, Colorado, USA
20.6km (12.8 miles) ⓘMagnetite Occurrence (MRDS - 10091069), Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
21.1km (13.1 miles) ⓘWest Gold Hill, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
22.5km (14.0 miles) ⓘIndiana, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
22.5km (14.0 miles) ⓘSylvan Dell Occurrence, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
23.3km (14.5 miles) ⓘDeacon, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
23.3km (14.5 miles) ⓘEl Capitan, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
23.6km (14.7 miles) ⓘFairview, Quartz Creek Mining District, Gunnison County, Colorado, USA
24.0km (14.9 miles) ⓘAmerican Eagle; Luona Occurrence, Elk Mountain Mining District (Snowmass Mountain Mining District), Gunnison 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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