| Locality type: | Island |
| Classification |
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| Species: | Chalcopyrite |
| Formula: | CuFeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcopyrite data |
| Locality Data: | Click here to view Middle Island, Picnic Islands, Marquette, Marquette County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 405123 |
| Long-form Identifier: | 1:3:405123:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcopyrite |
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| 3.5km (2.2 miles) | ⓘUnnamed locality, Marquette, Marquette County, Michigan, USA |
| 4.4km (2.7 miles) | ⓘMarquette mall, Marquette, Marquette County, Michigan, USA |
| 7.6km (4.7 miles) | ⓘEnchantment Lake, Marquette Township, Marquette County, Michigan, USA |
| 14.1km (8.8 miles) | ⓘDead River, Marquette County, Michigan, USA |
| 14.7km (9.1 miles) | ⓘCopper Prospect (MRDS - 10171072), Negaunee Township, Marquette County, Michigan, USA |
| 18.8km (11.7 miles) | ⓘHolyoke Mine, Negaunee, Marquette County, Michigan, USA |
| 19.0km (11.8 miles) | ⓘSedgewick Mine, Negaunee, Marquette County, Michigan, USA |
| 20.6km (12.8 miles) | ⓘGordon gold prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA |
| 20.6km (12.8 miles) | ⓘEmpire Mine, Palmer, Richmond Township, Marquette County, Michigan, USA |
| 20.7km (12.9 miles) | ⓘWheat Mine, Palmer, Richmond Township, Marquette County, Michigan, USA |
| References |
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