| Locality type: | Mine |
| Classification |
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| Species: | Chalcocite |
| Formula: | Cu2S |
| Quality for species: | Excellent - world class for species or very significant. (!!) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Pyrite | 33 |
| Covellite | 21 |
| Quartz | 20 |
| Galena | 10 |
| Bornite | 9 |
| Enargite | 8 |
| Wurtzite | 6 |
| Digenite | 6 |
| Native Silver | 4 |
| Tennantite Subgroup | 4 |
| Malachite | 4 |
| Quartz-monzonite | 3 |
| Djurleite | 2 |
| Betekhtinite | 1 |
| Baryte | 1 |
| Data |
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| Mineral Data: | Click here to view Chalcocite data |
| Locality Data: | Click here to view Leonard Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| Photo Gallery | View Gallery (23 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 38735 |
| Long-form Identifier: | 1:3:38735:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcocite |
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| 0.1km (0.0 miles) | ⓘReins Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.2km (0.1 miles) | ⓘEast Colusa Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.3km (0.2 miles) | ⓘBerkeley Pit, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.4km (0.3 miles) | ⓘWest Colusa Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.4km (0.3 miles) | ⓘTramway Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.5km (0.3 miles) | ⓘAlexander Scott Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.6km (0.4 miles) | ⓘMountain Chief Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.7km (0.4 miles) | ⓘAdams Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.7km (0.4 miles) | ⓘRarus Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| 0.7km (0.5 miles) | ⓘBerkeley Mine, Butte Mining District (Summit Valley Mining District), Silver Bow County, Montana, USA |
| References |
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Leonard Mine, Butte Mining District, Silver Bow County, Montana, USA