Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Chalcopyrite from
Occidental Mine (High Up; Oxidental), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Pyrite1
Sphalerite1
Galena1
Quartz1
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Occidental Mine (High Up; Oxidental), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1470410
Long-form Identifier:1:3:1470410:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
3.1km (1.9 miles) ⓘRed Pine Mine, Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
5.2km (3.2 miles) ⓘNoble Mine (Company Mine), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
7.9km (4.9 miles) ⓘSilver Bullion Mine, Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
8.0km (5.0 miles) ⓘDemos Group (Margie; Roger; Independent; Lucky Joe; Potosi Tungsten; Rockefeller), Potosi Mining District, Madison County, Montana, USA
8.4km (5.2 miles) ⓘCurly Bill No. 3 Prospect, South Boulder Mining District, Madison County, Montana, USA
8.9km (5.6 miles) ⓘLakeshore Mine (Gladstone), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
9.0km (5.6 miles) ⓘBuckeye Mine - Victoria Mines, Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
9.7km (6.0 miles) ⓘRoach-Miller Mine (Cornelia), Madison County, Montana, USA
10.0km (6.2 miles) ⓘBismark Mine, South Boulder Mining District, Madison County, Montana, USA
10.4km (6.5 miles) ⓘLatest Out Mine (1), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
References
Gabe Cangelosi Collection
 
and/or  
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