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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Cuprite from
Sherman Mine (Sherman tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Lake County, Colorado, USA


Locality type:Mine
Classification
Species:Cuprite
Formula:Cu2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cuprite data
Locality Data:Click here to view Sherman Mine (Sherman tunnel; Leadville Corporation Mine; Day Mines; Hilltop Mine), Upper Iowa Gulch, Lake County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:435183
Long-form Identifier:1:3:435183:2
GUID (UUID V4):0
Nearest other occurrences of Cuprite
1.7km (1.0 miles) ⓘHill Top Mine, Horseshoe Basin Mining District, Park County, Colorado, USA
7.7km (4.8 miles) ⓘAdelaide Mine, Iron Hill, Lake County, Colorado, USA
10.6km (6.6 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
14.1km (8.8 miles) ⓘLincoln Gulch, Lincoln Mining District (Lincoln Gulch Mining District; Ruby Mining District), Pitkin County, Colorado, USA
31.6km (19.7 miles) ⓘTamarack Occurrence, Buena Vista Area, Free Gold Mining District, Chaffee County, Colorado, USA
39.3km (24.4 miles) ⓘPitkin Mine, Independence (Independence Pass), Columbia Mining District (Ashcroft Mining District), Pitkin County, Colorado, USA
39.3km (24.4 miles) ⓘTin Cup Mine, Independence (Independence Pass), Columbia Mining District (Ashcroft Mining District), Pitkin County, Colorado, USA
56.4km (35.0 miles) ⓘNisley Mine, Shawnee Area, Park County, Colorado, USA
62.9km (39.1 miles) ⓘGold Hill, Tincup Mining District (Pieplant Mining District), Gunnison County, Colorado, USA
65.7km (40.8 miles) ⓘPalmer Ranch, Blue River area, Summit 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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