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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Alleghanyite from
Lubanko prospect, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA


Locality type:Prospect
Classification
Species:Alleghanyite
Formula:Mn52+(SiO4)2(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Tephroite
Data
Mineral Data:Click here to view Alleghanyite data
Locality Data:Click here to view Lubanko prospect, Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
Data Identifiers
Mindat Occurrence Record ID:638542
Long-form Identifier:1:3:638542:2
GUID (UUID V4):0
Nearest other occurrences of Alleghanyite
1.0km (0.6 miles) ⓘGermolis prospect (Rodon; Rodonick; Germolie; Cormolis), Fiddletown (Oleta), Fiddletown Mining District (Oleta Mining District), Amador County, California, USA
70.7km (44.0 miles) ⓘSmith prospect, Limekiln, Spenceville Mining District, Nevada County, California, USA
73.1km (45.4 miles) ⓘManga-Chrome Mine (Manga Chrome; Magna-Chrome Mine; Duggan Mine; Steams and Owens [?]), Limekiln, Spenceville Mining District, Nevada County, California, USA
References
Hewett, Donnel Foster, Chesterman, Charles Wesley, Troxel, Bennie Wyatt (1961) Tephroite in California manganese deposits. Economic Geology, 56 (1). 39-58 doi:10.2113/gsecongeo.56.1.39p.49
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 61
Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
 
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