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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Sand and Gravel (commodity) from
Pacific Cement and Aggregrates Quarry (Harrison-Birdwell - Pacific Cement and Aggregates Co.), Clayton, Contra Costa County, California, USA


Locality type:Quarry
Classification
Commodity:Sand and Gravel (commodity)
Data
Commodity Data:Click here to view Sand and Gravel (commodity) data
Locality Data:Click here to view Pacific Cement and Aggregrates Quarry (Harrison-Birdwell - Pacific Cement and Aggregates Co.), Clayton, Contra Costa County, California, USA
Data Identifiers
Mindat Occurrence Record ID:1209402
Long-form Identifier:1:3:1209402:0
GUID (UUID V4):0
Nearest other deposits of Sand and Gravel (commodity)
2.7km (1.7 miles) ⓘCowell Silver Sand Company, Clayton, Contra Costa County, California, USA
8.1km (5.1 miles) ⓘUnnamed Silica mine [1], Nortonville, Contra Costa County, California, USA
8.8km (5.4 miles) ⓘRoberts Sand Company Mine (Black Diamond Mine), Nortonville, Contra Costa County, California, USA
10.3km (6.4 miles) ⓘPittsburg Sand Company Mine, Somersville, Contra Costa County, California, USA
13.8km (8.6 miles) ⓘAntioch-Marchio prospect, Antioch, Contra Costa County, California, USA
23.7km (14.7 miles) ⓘSilica Company of California Mine, Brentwood, Contra Costa County, California, USA
37.7km (23.4 miles) ⓘBlake Brothers Quarry (San Pablo), Point Richmond (The Point), Richmond, Contra Costa County, California, USA
43.7km (27.1 miles) ⓘUnknown Silica prospect [1], Tesla, Livermore Mining District (Tesla District), Alameda County, California, USA
45.3km (28.1 miles) ⓘTesla Sand and Clay Company Mine, Tesla, Livermore Mining District (Tesla District), Alameda County, California, USA
47.4km (29.4 miles) ⓘGreenbrae Quarry, Greenbrae, Marin County, California, USA
 
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