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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Rhyolite from
Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA


Locality type:Mine
Classification
Type:Rhyolite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhyolite data
Locality Data:Click here to view Mount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1209204
Long-form Identifier:1:3:1209204:0
GUID (UUID V4):0
Nearest other occurrences of Rhyolite
25.1km (15.6 miles) ⓘLeona Mine (Leona Heights Mine), Leona Heights deposit, Leona Heights, Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USA
30.6km (19.0 miles) ⓘBerkeley Hills Mine, Berkeley Hills, Berkeley, Alameda County, California, USA
33.4km (20.7 miles) ⓘUnnamed Hg occurrence [10], El Cerrito, Contra Costa County, California, USA
57.1km (35.5 miles) ⓘSharon Park Drive outcrop, Sharon Heights, Menlo Park, San Mateo County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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