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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Sericite from
Bonanza prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA


Locality type:Prospect
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Bonanza prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
Data Identifiers
Mindat Occurrence Record ID:1622187
Long-form Identifier:1:3:1622187:1
GUID (UUID V4):0
Nearest other occurrences of Sericite
0.9km (0.5 miles) ⓘNorth pit, Golden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
0.9km (0.5 miles) ⓘApex prospect, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
1.9km (1.2 miles) ⓘGolden Sunlight Mine, Whitehall Mining District (Cardwell Mining District), Jefferson County, Montana, USA
27.1km (16.9 miles) ⓘBattlestar Mine, Homestake Mining District, Boulder Batholith, Jefferson County, Montana, USA
27.4km (17.0 miles) ⓘPohndorf Mine, Toll Mountain, Boulder Batholith, Jefferson County, Montana, USA
27.8km (17.3 miles) ⓘLittle Gem Mine, Boulder Batholith, Jefferson County, Montana, USA
37.6km (23.4 miles) ⓘContinental Pit, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
40.0km (24.8 miles) ⓘBerkeley Pit, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
40.8km (25.3 miles) ⓘBelmont Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
41.4km (25.7 miles) ⓘEast Gray Rock Mine, Walkerville, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA
References
Gnanou, Hamadou (2018) Mineralogy and sulfur isotope geochemistry of the Apex and Bonanza prospects at the Golden Sunlight mine, Montana. Montana Tech of The University of Montana. 78pp.
 
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