| Locality type: | Mine |
| Classification |
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| Species: | 'Chlorite Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chlorite Group data |
| Locality Data: | Click here to view Northwestern Mine, Central, Houghton Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 626561 |
| Long-form Identifier: | 1:3:626561:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chlorite Group |
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| 2.0km (1.2 miles) | ⓘThomas Shaft, Owl Creek Fissure Mine, Copper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 2.1km (1.3 miles) | ⓘCopper Falls Mine, Copper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 2.4km (1.5 miles) | ⓘCopper Falls, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 5.2km (3.3 miles) | ⓘMeadow Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA |
| 7.2km (4.5 miles) | ⓘDelaware Mine (Delaware Conglomerate Mine), Delaware, Grant Township, Keweenaw County, Michigan, USA |
| 10.1km (6.3 miles) | ⓘSouth Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 10.1km (6.3 miles) | ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 10.8km (6.7 miles) | ⓘNorth American Mine, Allouez Township, Keweenaw County, Michigan, USA |
| 13.6km (8.4 miles) | ⓘMount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 13.9km (8.7 miles) | ⓘMedora Mine, Mandan, Grant Township, Keweenaw County, Michigan, USA |
| References |
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