| Locality type: | Prospect |
| 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 Gratiot Lake Project Prospect, Houghton Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 399223 |
| Long-form Identifier: | 1:3:399223:4 |
| GUID (UUID V4): | 9d16367d-50c4-4e23-a67d-f2e90613b195 |
| Nearest other occurrences of Chalcocite |
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| 1.0km (0.6 miles) | ⓘ543-S deposit, Eagle Harbor, Keweenaw County, Michigan, USA |
| 1.7km (1.1 miles) | ⓘLizzardo Prospect, Houghton Township, Keweenaw County, Michigan, USA |
| 3.9km (2.4 miles) | ⓘSuffolk Exploration, Houghton Township, Keweenaw County, Michigan, USA |
| 5.7km (3.5 miles) | ⓘNorthwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| 7.7km (4.8 miles) | ⓘCopper Falls Mine, Copper Falls, Eagle Harbor, Keweenaw County, Michigan, USA |
| 8.4km (5.2 miles) | ⓘG-12 Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 9.7km (6.0 miles) | ⓘAvery shaft, Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 9.8km (6.1 miles) | ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 9.9km (6.2 miles) | ⓘOjibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA |
| 10.3km (6.4 miles) | ⓘG-13 Prospect, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| References |
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