| Locality type: | Mine |
| Classification |
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| Species: | 'Psilomelane' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Psilomelane data |
| Locality Data: | Click here to view Boyer Mine (Wheeler Mine; Shanks and Copps), Warm Springs Dam, Coast Range, Sonoma County, California, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 334765 |
| Long-form Identifier: | 1:3:334765:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Psilomelane |
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| 20.2km (12.6 miles) | ⓘShaw and Mathews Mine, Pieta, Mendocino County, California, USA |
| 22.4km (13.9 miles) | ⓘShaw Mine, Shaw Ranch, Cloverdale, West Mayacmas Mining District, Sonoma County, California, USA |
| 26.2km (16.3 miles) | ⓘElliott prospect (Elliot prospect), Caldwell Pines, East Mayacmas Mining District, Lake County, California, USA |
| 32.7km (20.3 miles) | ⓘMount Saint Helena, Robert Louis Stevenson State Park, The Palisades [range], Calistoga, Napa County, California, USA |
| 33.5km (20.8 miles) | ⓘCallizo prospect, Duncan Springs, Coastal Range, California, USA |
| 52.4km (32.5 miles) | ⓘPhillips Mine (Grand View Mine; White Rock Mine), Phillips Ranch, Laurel Dell, Lake County, California, USA |
| 59.6km (37.0 miles) | ⓘHerndon Manganese No. 1 prospect, Clear Lake Oaks, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA |
| 59.6km (37.0 miles) | ⓘLa Bree claim (Manganese No. 2 claim), Indian Valley Reservoir, Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District), Lake County, California, USA |
| 62.0km (38.5 miles) | ⓘPowers prospect, Spanish Flat, Napa County, California, USA |
| 64.1km (39.9 miles) | ⓘCleveland prospect (Homestead), Calpella, Coastal Range, California, USA |
| References |
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