| Locality type: | Mine |
| Classification |
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| Species: | Native Copper |
| Formula: | Cu |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Datolite | 2 |
| Calcite | 2 |
| Data |
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| Mineral Data: | Click here to view Native Copper data |
| Locality Data: | Click here to view Knowlton Mine, Mass City, Ontonagon County, Michigan, USA |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 418047 |
| Long-form Identifier: | 1:3:418047:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Native Copper |
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| 0.4km (0.2 miles) | ⓘOld Mass Mine, Mass City, Ontonagon County, Michigan, USA |
| 0.5km (0.3 miles) | ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA |
| 0.8km (0.5 miles) | ⓘNebraska Mine, Mass City, Ontonagon County, Michigan, USA |
| 0.9km (0.6 miles) | ⓘOgima Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA |
| 1.5km (0.9 miles) | ⓘEvergreen Bluff Mine, Mass City, Ontonagon County, Michigan, USA |
| 1.5km (0.9 miles) | ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA |
| 1.8km (1.1 miles) | ⓘMass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA |
| 1.8km (1.1 miles) | ⓘMass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA |
| 1.9km (1.2 miles) | ⓘRidge Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA |
| 2.1km (1.3 miles) | ⓘFlintsteel River Mine, Ontonagon County, Michigan, USA |
| References |
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Knowlton Mine, Mass City, Ontonagon County, Michigan, USA