Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Pyrite from
Back Forty Deposit, Menominee County, Michigan, USA


Locality type:Deposit
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Back Forty Deposit, Menominee County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:690272
Long-form Identifier:1:3:690272:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
21.7km (13.5 miles) ⓘCamp Five molybdenite deposit (Middle Inlet), Middle Inlet, Marinette County, Wisconsin, USA
35.3km (21.9 miles) ⓘEmmett Mine, Dickinson County, Michigan, USA
36.8km (22.9 miles) ⓘEast Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.2km (23.1 miles) ⓘLoretto Mine, Loretto, Dickinson County, Michigan, USA
37.6km (23.4 miles) ⓘPenn Mines, Norway, Dickinson County, Michigan, USA
37.7km (23.4 miles) ⓘWest Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.8km (23.5 miles) ⓘBrier Hill Prospect, Dickinson County, Michigan, USA
38.6km (24.0 miles) ⓘPayant-Chrissman prospect (Florence County prospect), Aurora, Florence County, Wisconsin, USA
38.8km (24.1 miles) ⓘCyclops Mine, Norway, Dickinson County, Michigan, USA
39.5km (24.5 miles) ⓘMunroe Mine, Dickinson County, Michigan, USA
References
Quigley, Tom, and Mahin, Bob, 2008, Back Forty Geology and Mineralization: Proceedings of the Institute on Lake Superior Geology, v. 54, Part 2 - Field Trip Guidebook, 66-85.
DeMatties, T. A. (2018). Effects of paleoweathering and supergene activity on volcanogenic massive sulfide (VMS) mineralization in the Penokean Volcanic Belt, northern Wisconsin, Michigan and east-central Minnesota, USA: Implications for future exploration. Ore Geology Reviews, 95, 216-237.
 
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