Locality type: | Mine |
Classification |
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Species: | 'Silica' (not an IMA approved species) |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Silica data |
Locality Data: | Click here to view Roberts Sand Company Mine (Black Diamond Mine), Nortonville, Contra Costa County, California, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 716378 |
Long-form Identifier: | 1:3:716378:4 |
GUID (UUID V4): | 78d76e47-e858-428f-b651-2e8db066e733 |
Nearest other occurrences of Silica |
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0.9km (0.5 miles) | ⓘUnnamed Silica mine [1], Nortonville, Contra Costa County, California, USA |
1.5km (0.9 miles) | ⓘAntioch Mine, Somersville, Contra Costa County, California, USA |
1.7km (1.0 miles) | ⓘPittsburg Sand Company Mine, Somersville, Contra Costa County, California, USA |
5.9km (3.7 miles) | ⓘAntioch-Marchio prospect, Antioch, Contra Costa County, California, USA |
17.0km (10.6 miles) | ⓘSilica Company of California Mine, Brentwood, Contra Costa County, California, USA |
21.9km (13.6 miles) | ⓘByron plant, Byron, Contra Costa County, California, USA |
41.4km (25.7 miles) | ⓘUnknown Silica prospect [1], Tesla, Livermore Mining District (Tesla District), Alameda County, California, USA |
76.4km (47.5 miles) | ⓘHammond occurrence (Silica No. 1), Copper Mountain, Black Wonder Mining District, Stanislaus County, California, USA |
78.3km (48.6 miles) | ⓘJ. J. Cummings and Thomas Wolf property, Patterson, Stanislaus County, California, USA |
89.0km (55.3 miles) | ⓘPacific Clay Products pit, Camanche, Camanche Mining District, Calaveras County, California, USA |
References |
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