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
Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA


04951990017272728951100.jpg
Bornite

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
01612800017272012315544.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
08395420017369041297141.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
04951990017272728951100.jpg
Bornite

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
01612800017272012315544.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
08395420017369041297141.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
04951990017272728951100.jpg
Bornite

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
01612800017272012315544.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
08395420017369041297141.jpg
Bornite, etc.

Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Tetrahedrite Subgroup
Associated Minerals Based on Photo Data:
Quartz13
- var Milky Quartz1
Tetrahedrite Subgroup10
Galena6
Rhodochrosite5
Pyrite4
Chalcopyrite3
Tetrahedrite Group1
Fluorite1
Calcite1
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Sweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:149012
Long-form Identifier:1:3:149012:1
GUID (UUID V4):0
Nearest other occurrences of Bornite
0.1km (0.1 miles) ⓘDetroit City Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
2.3km (1.4 miles) ⓘTanner Boy Mine, Mount Bross, Alma Mining District, Park County, Colorado, USA
2.7km (1.7 miles) ⓘWyandotte Mine, Alma Mining District, Park County, Colorado, USA
2.8km (1.7 miles) ⓘCopper King Prospect, Horseshoe Basin Mining District, Park County, Colorado, USA
7.5km (4.7 miles) ⓘLing Mine (North Star), Monte Cristo Area, Summit County, Colorado, USA
8.4km (5.2 miles) ⓘClimax Mine, Climax, Climax Mining District, Lake County, Colorado, USA
10.7km (6.7 miles) ⓘBuckeye Gulch, Alicante, Lake County, Colorado, USA
34.1km (21.2 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
41.9km (26.1 miles) ⓘTamarack Occurrence, Buena Vista Area, Free Gold Mining District, Chaffee County, Colorado, USA
47.2km (29.3 miles) ⓘMike Rabbit Prospect, La Plata Mining District (Winfield Mining District), Chaffee County, Colorado, USA
References
Pearl, Richard M. (1958) Colorado Gem Trails and Mineral Guide (1st ed.) Sage Books, Denver, CO.
Jensen, M. (2004) A mystery mineral occurrence at the Sweet Home mine, Park County, Colorado. Mineral News, 20 (5) Excalibur Mineral Corp. 1-2
 
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