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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Pyrite from
Winnetka Mine (Winnetaka Mine), Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Winnetka Mine (Winnetaka Mine), Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:705958
Long-form Identifier:1:3:705958:2
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.3km (0.2 miles) ⓘSt. John Group, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
4.0km (2.5 miles) ⓘU. S. Grant Mine, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
4.5km (2.8 miles) ⓘEaston-Pacific Mine, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
5.7km (3.6 miles) ⓘProspect Mine, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
6.9km (4.3 miles) ⓘValley View and Lucky Strike Lode Claims (St. Lawrence and Monte Cristo), Browns Gulch, Madison County, Montana, USA
8.7km (5.4 miles) ⓘGardner Mine, Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District), Madison County, Montana, USA
14.0km (8.7 miles) ⓘUnnamed Kyanite Deposit (MRDS - 10246044), Cherry Creek Mining District, Madison County, Montana, USA
20.8km (12.9 miles) ⓘCherry Creek Pegmatite Occurrence, Varney Mining District, Madison County, Montana, USA
21.9km (13.6 miles) ⓘCopper Mountain Mine (Ramshorn Mine; Dictator and Belle Union), Sheridan Mining District (Mill Creek Mining District; Wisconsin Mining District), Madison County, Montana, USA
23.9km (14.9 miles) ⓘHigh Bluff, Washington Mining District (Meadow Creek Mining District), Madison County, Montana, USA
References
Winchell, Alexander Newton (1914) Mining districts of the Dillon quadrangle, Montana, and adjacent areas. Bulletin 574. US Geological Survey doi:10.3133/b574
 
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