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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Silica from
Custer pit (Grog pit), Ione, Amador County, California, USA


Locality type:Pit
Classification
Species:'Silica' (not an IMA approved species)
Comments:Occurs as silica sand.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Silica data
Locality Data:Click here to view Custer pit (Grog pit), Ione, Amador County, California, USA
Data Identifiers
Mindat Occurrence Record ID:925201
Long-form Identifier:1:3:925201:1
GUID (UUID V4):0
Nearest other occurrences of Silica
2.1km (1.3 miles) ⓘInternational Pipe & Ceramics Company property, Ione, Amador County, California, USA
3.3km (2.1 miles) ⓘUnknown silica occurrence [1], Buena Vista, Amador County, California, USA
7.3km (4.5 miles) ⓘIone Clays Mine (Ione-Carbondale Clays), Clarksona, Irish Hill Mining District, Amador County, California, USA
11.9km (7.4 miles) ⓘNother Carbondale Mine (Northern Carbondale Mine [??]), Carbondale, Irish Hill Mining District, Amador County, California, USA
12.5km (7.8 miles) ⓘClark Sand pit, Carbondale, Irish Hill Mining District, Amador County, California, USA
14.5km (9.0 miles) ⓘPacific Clay Products pit, Camanche, Camanche Mining District, Calaveras County, California, USA
27.3km (17.0 miles) ⓘBrandon Mine (Richardson Mine), Brandon Corner, Shingle Springs Mining District, West Belt, El Dorado County, California, USA
27.7km (17.2 miles) ⓘBrandon Mine [2], Brandon Corner, Shingle Springs Mining District, West Belt, El Dorado County, California, USA
83.9km (52.1 miles) ⓘByron plant, Byron, Contra Costa County, California, USA
85.4km (53.1 miles) ⓘSilica Company of California Mine, Brentwood, Contra Costa County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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