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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Cassiterite from
Black Cloud Mine, Teller County, Colorado, USA


Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Black Cloud Mine, Teller County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:433343
Long-form Identifier:1:3:433343:2
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
9.2km (5.7 miles) ⓘCrystal Peak, Teller County, Colorado, USA
9.7km (6.0 miles) ⓘUnnamed pegmatite, Crystal Peak, Teller County, Colorado, USA
18.4km (11.4 miles) ⓘPikes Peak, El Paso County, Colorado, USA
20.4km (12.7 miles) ⓘLucky Boy Prospect, Tappan Mountain Area, Lake George (Badger Flats) Area, Park County, Colorado, USA
23.3km (14.5 miles) ⓘLittle John Mine (Little John No. 1; Little John No. 2), Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale), Park County, Colorado, USA
24.1km (14.9 miles) ⓘMary Lea-Little Bear Mine (Mary Lee Mine; Little Bear No. 2 Mine), Lake George, Park County, Colorado, USA
24.5km (15.2 miles) ⓘTennessee Mine (Tennessee No. 2), Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale), Park County, Colorado, USA
24.6km (15.3 miles) ⓘHappy Thought Mine (Fort De Vincennes), Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale), Park County, Colorado, USA
25.1km (15.6 miles) ⓘRedskin Mine (Redskin Claim; Claims: Papoose; Squaw), Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale), Park County, Colorado, USA
25.1km (15.6 miles) ⓘMinerva J Mine, Lake George Beryllium area (Badger Flats Beryllium area; Mountain Dale), 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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