| Locality type: | Mine |
| Classification |
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| Species: | Pyrite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pyrite data |
| Locality Data: | Click here to view Union Gulch Mine (Chetco; Pearson and Brothers; Bolinas), Five Brooks, Marin County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 328402 |
| Long-form Identifier: | 1:3:328402:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrite |
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| 3.6km (2.2 miles) | ⓘUnnamed Cu occurrence [1], Bolinas, Marin County, California, USA |
| 5.3km (3.3 miles) | ⓘPike Gulch prospect, Bolinas Ridge, Stinson Beach, Marin County, California, USA |
| 8.9km (5.6 miles) | ⓘMcKinnan Gulch prospect, Bolinas Ridge, Stinson Beach, Marin County, California, USA |
| 19.2km (11.9 miles) | ⓘHutchinson Quarry, Greenbrae, Marin County, California, USA |
| 22.8km (14.2 miles) | ⓘMazza prospect (Mazza Ranch prospect), Novato, Marin County, California, USA |
| 25.1km (15.6 miles) | ⓘEdwards property (Panco No. 1; Chileno Valley; Bueno Chilano; Chileno Valley), Bently Ranch, Marshall, Marin County, California, USA |
| 42.3km (26.3 miles) | ⓘBerkeley Hills Mine, Berkeley Hills, Berkeley, Alameda County, California, USA |
| 51.9km (32.2 miles) | ⓘHastings Mine, Sulfur Springs Mountain, Vallejo, Solano County, California, USA |
| 52.3km (32.5 miles) | ⓘAlum Mine, Leona Heights, Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USA |
| 52.9km (32.8 miles) | ⓘLeona Mine (Leona Heights Mine), Leona Heights deposit, Leona Heights, Oakland, Oakland Hills (San Leandro Hills), Alameda County, California, USA |
| References |
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