| Locality type: | Beach |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Comments: | Water-worn pebbles of translucent, speckeled chalcedony, many of which contain oil inclusions. |
| 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 Agate Beach, Bolinas, Marin County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1013000 |
| Long-form Identifier: | 1:3:1013000:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 2.6km (1.6 miles) | ⓘBolinas, Marin County, California, USA |
| 6.5km (4.0 miles) | ⓘFerroaxinite occurrence, Stinson Beach, Marin County, California, USA |
| 8.5km (5.3 miles) | ⓘUnion Gulch Mine (Chetco; Pearson and Brothers; Bolinas), Five Brooks, Marin County, California, USA |
| 12.2km (7.6 miles) | ⓘEast Peak, Mount Tamalpais, Marin County, California, USA |
| 13.5km (8.4 miles) | ⓘMaillard Ranch occurrence [2], San Geronimo, Marin County, California, USA |
| 16.8km (10.5 miles) | ⓘRodeo Beach, Marin County, California, USA |
| 22.6km (14.1 miles) | ⓘFort Point, San Francisco, San Francisco County, California, USA |
| 29.4km (18.3 miles) | ⓘUnited States Mint site, Duboce Street near Market Street, San Francisco, San Francisco County, California, USA |
| 30.3km (18.8 miles) | ⓘMazza prospect (Mazza Ranch prospect), Novato, Marin County, California, USA |
| 32.3km (20.0 miles) | ⓘBlack Mountain Mine (Black Mtn.), San Bruno Mountain State and County Park, Daly City, San Mateo County, California, USA |
| References |
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Agate Beach, Bolinas, Marin County, California, USA