| Locality type: | Shaft |
| 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 Seneca No. 2 shaft (Gratiot Mine), Seneca Mine, Seneca, Allouez Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 468285 |
| Long-form Identifier: | 1:3:468285:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcocite |
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| 1.1km (0.7 miles) | ⓘMohawk Mine, Mohawk, Allouez Township, Keweenaw County, Michigan, USA |
| 3.5km (2.2 miles) | ⓘOjibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA |
| 4.3km (2.6 miles) | ⓘAlbion Mine (Manhattan Mine), Allouez Township, Keweenaw County, Michigan, USA |
| 4.4km (2.7 miles) | ⓘKingston Mine, Ahmeek, Allouez Township, Keweenaw County, Michigan, USA |
| 5.9km (3.7 miles) | ⓘAllouez Mine, Allouez, Allouez Township, Keweenaw County, Michigan, USA |
| 6.8km (4.2 miles) | ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 7.0km (4.3 miles) | ⓘAvery shaft, Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 7.2km (4.5 miles) | ⓘWolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA |
| 8.9km (5.5 miles) | ⓘCentennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 9.0km (5.6 miles) | ⓘSuffolk Exploration, Houghton Township, Keweenaw County, Michigan, USA |
| References |
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