| Locality type: | Mine |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Black Mountain Mine (Black Mtn.), San Bruno Mountain State and County Park, Daly City, San Mateo County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 332859 |
| Long-form Identifier: | 1:3:332859:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 5.1km (3.2 miles) | ⓘSouth San Francisco Land & Improvement Company Mine, South San Francisco, San Mateo County, California, USA |
| 9.3km (5.8 miles) | ⓘUnited States Mint site, Duboce Street near Market Street, San Francisco, San Francisco County, California, USA |
| 12.5km (7.8 miles) | ⓘFort Point, San Francisco, San Francisco County, California, USA |
| 16.8km (10.4 miles) | ⓘRodeo Beach, Marin County, California, USA |
| 18.8km (11.7 miles) | ⓘDennison Creek Mine (Deniston Peak Mine; Half Moon Bay), El Granada, San Mateo County, California, USA |
| 26.3km (16.3 miles) | ⓘSpruce Street Thunder Egg locality, Berkeley, Alameda County, California, USA |
| 26.7km (16.6 miles) | ⓘUnnamed gemstone occurrence [1], Berkeley, Alameda County, California, USA |
| 27.7km (17.2 miles) | ⓘFerroaxinite occurrence, Stinson Beach, Marin County, California, USA |
| 28.1km (17.4 miles) | ⓘEast Peak, Mount Tamalpais, Marin County, California, USA |
| 30.8km (19.1 miles) | ⓘChallenge deposit, Redwood City, San Mateo County, California, USA |
| References |
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