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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Bornite from
Eagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Eagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:355181
Long-form Identifier:1:3:355181:3
GUID (UUID V4):0
Nearest other occurrences of Bornite
25.8km (16.0 miles) ⓘClimax Mine, Climax, Climax Mining District, Lake County, Colorado, USA
27.6km (17.2 miles) ⓘBuckeye Gulch, Alicante, Lake County, Colorado, USA
30.3km (18.8 miles) ⓘLing Mine (North Star), Monte Cristo Area, Summit County, Colorado, USA
31.6km (19.6 miles) ⓘWyandotte Mine, Alma Mining District, Park County, Colorado, USA
32.6km (20.2 miles) ⓘTanner Boy Mine, Mount Bross, Alma Mining District, Park County, Colorado, USA
34.1km (21.2 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
34.2km (21.2 miles) ⓘDetroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
36.8km (22.9 miles) ⓘCopper King Prospect, Horseshoe Basin Mining District, Park County, Colorado, USA
47.0km (29.2 miles) ⓘMolly Grove mine, Blue Ridge Mining District, Grand County, Colorado, USA
61.1km (38.0 miles) ⓘSnowmass Creek Mine, Snowmass Creek Area, Pitkin County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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