| Locality type: | Conservation Area |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 996499 |
| Long-form Identifier: | 1:3:996499:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 4.3km (2.7 miles) | ⓘNew York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA |
| 4.7km (2.9 miles) | ⓘVulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA |
| 5.4km (3.4 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.7km (3.5 miles) | ⓘLac La Belle exploration, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 6.0km (3.7 miles) | ⓘCape Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 6.4km (4.0 miles) | ⓘLake Manganese Vein, Manganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 6.5km (4.0 miles) | ⓘPoint Prospect, Grant Township, Keweenaw County, Michigan, USA |
| 6.6km (4.1 miles) | ⓘCopper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 8.3km (5.1 miles) | ⓘHigh Rock Bay, Grant Township, Keweenaw County, Michigan, USA |
| 9.4km (5.8 miles) | ⓘLakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| References |
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Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA