| 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 Leonard Mine (Franktown), Castle Rock Area, Douglas County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 374065 |
| Long-form Identifier: | 1:3:374065:1 |
| GUID (UUID V4): | 67f36ba9-1d37-4c83-9329-b071a35d7f8d |
| Nearest other occurrences of Psilomelane |
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| 28.4km (17.6 miles) | ⓘHarris Mn Deposit (Old Fred Smith Ranch Deposit), Elbert Area, Elbert County, Colorado, USA |
| 31.3km (19.4 miles) | ⓘBuckley Field Manganese deposits (Denver Basin Mn deposits), Watkins area, Arapahoe County, Colorado, USA |
| 52.7km (32.8 miles) | ⓘIron King Mine, Green Mountain Falls Mining District, El Paso County, Colorado, USA |
| 65.9km (40.9 miles) | ⓘHarris Park, Park County, Colorado, USA |
| 81.4km (50.6 miles) | ⓘHoosier Mine, Cripple Creek, Cripple Creek Mining District, Teller County, Colorado, USA |
| 99.3km (61.7 miles) | ⓘDell Prospect (C. B. Dell Prospect), Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA |
| 99.3km (61.7 miles) | ⓘSouth Park Mining Company, South Park, Park County, Colorado, USA |
| References |
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