| Locality type: | Mine |
| Classification |
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| Species: | Chalcopyrite |
| Formula: | CuFeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcopyrite 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: | 328401 |
| Long-form Identifier: | 1:3:328401:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcopyrite |
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| 3.6km (2.2 miles) | ⓘUnnamed Cu occurrence [1], Bolinas, Marin County, California, USA |
| 8.9km (5.6 miles) | ⓘMcKinnan Gulch prospect, Bolinas Ridge, Stinson Beach, Marin 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 |
| 70.2km (43.6 miles) | ⓘMitchell Canyon prospect, Eagle Peak, Clayton, Contra Costa County, California, USA |
| 70.3km (43.7 miles) | ⓘEagle Peak Au-Cu occurrence, Eagle Peak, Clayton, Contra Costa County, California, USA |
| 71.2km (44.2 miles) | ⓘUnity claim [?], Eagle Peak, Clayton, Contra Costa County, California, USA |
| 73.4km (45.6 miles) | ⓘBRSSI & Land Management Company prospect, Mount Diablo (Mt Diablo), Clayton, Contra Costa County, California, USA |
| 76.4km (47.5 miles) | ⓘSharon Park Drive outcrop, Sharon Heights, Menlo Park, San Mateo County, California, USA |
| 97.4km (60.5 miles) | ⓘCornucopia Mine (Healdsburg Mine; Squaw Creek Mine), Black Oaks, West Mayacmas Mining District, Sonoma County, California, USA |
| References |
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