| Locality type: | Industrial Site |
| Classification |
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| Species: | 'Serpentine Subgroup' (not an IMA approved species) |
| Formula: | D3[Si2O5](OH)4 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals: |
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| Associates: | Chalcedony
Idrialite
Pyroaurite
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| Data |
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| Mineral Data: | Click here to view Serpentine Subgroup data |
| Locality Data: | Click here to view United States Mint site, Duboce Street near Market Street, San Francisco, San Francisco County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 683941 |
| Long-form Identifier: | 1:3:683941:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Serpentine Subgroup |
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| 6.8km (4.2 miles) | ⓘFort Point, San Francisco, San Francisco County, California, USA |
| 24.4km (15.1 miles) | ⓘStinson Beach, Marin County, California, USA |
| 31.4km (19.5 miles) | ⓘUnnamed Cr occurrence [1], Upper Crystal Springs Reservoir (Crystal Springs Lake), San Mateo, San Mateo County, California, USA |
| 31.8km (19.7 miles) | ⓘUnnamed Cu occurrence [1], Bolinas, Marin County, California, USA |
| 31.9km (19.8 miles) | ⓘMaillard Ranch occurrence [2], San Geronimo, Marin County, California, USA |
| 37.7km (23.4 miles) | ⓘChallenge deposit, Redwood City, San Mateo County, California, USA |
| 40.2km (25.0 miles) | ⓘArroyo Del Carro prospect, Clayton, Contra Costa County, California, USA |
| 42.5km (26.4 miles) | ⓘHastings Mine, Sulfur Springs Mountain, Vallejo, Solano County, California, USA |
| 44.8km (27.8 miles) | ⓘMount Diablo Mine, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA |
| 45.2km (28.1 miles) | ⓘSt. Johns Mine (St. John Mine; Vallejo Mine; St. Johns Quicksilver Mine), Sulfur Springs Mountain, Vallejo, Solano County, California, USA |
| References |
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