| Locality type: | Mine |
| Classification |
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| Species: | Chalcocite |
| Formula: | Cu2S |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcocite data |
| Locality Data: | Click here to view Portage Mine (Grand Portage Mine), Houghton, Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 405057 |
| Long-form Identifier: | 1:3:405057:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcocite |
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| 2.2km (1.4 miles) | ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| 4.3km (2.7 miles) | ⓘArcadian No. 2 shaft, Arcadian Mine, Ripley, Franklin Township, Houghton County, Michigan, USA |
| 5.0km (3.1 miles) | ⓘSuperior Mine (Old Superior Mine), Superior, Portage Township, Houghton County, Michigan, USA |
| 6.7km (4.1 miles) | ⓘBaltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA |
| 7.9km (4.9 miles) | ⓘBaltic No. 2 shaft, Baltic Mine, Baltic, Adams Township, Houghton County, Michigan, USA |
| 8.4km (5.2 miles) | ⓘSix Mile Hill, Adams Township, Houghton County, Michigan, USA |
| 9.4km (5.8 miles) | ⓘTrimountain Mine, Trimountain, Adams Township, Houghton County, Michigan, USA |
| 11.3km (7.0 miles) | ⓘChampion Mine, Champion Mine, Adams Township, Houghton County, Michigan, USA |
| 12.5km (7.8 miles) | ⓘLa Salle Mine, Osceola Township, Houghton County, Michigan, USA |
| 14.0km (8.7 miles) | ⓘLaurium Mine, Osceola Township, Houghton County, Michigan, USA |
| References |
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