| Locality type: | Census-designated Place |
| Classification |
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| Species: | Quartz var: Agate |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Agate data |
| Locality Data: | Click here to view Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 417177 |
| Long-form Identifier: | 1:3:417177:5 |
| GUID (UUID V4): | 0 |
| Localities for Agate in this Region |
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| Clark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Lake Manganese, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Porter's Island, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Nearest other occurrences of Agate |
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| 2.9km (1.8 miles) | ⓘLakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 3.3km (2.1 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 6.1km (3.8 miles) | ⓘBrockway Mountain, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 6.6km (4.1 miles) | ⓘHorseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 11.2km (7.0 miles) | ⓘBete Grise Bay, Bete Grise, Grant Township, Keweenaw County, Michigan, USA |
| 12.6km (7.8 miles) | ⓘEsrey Park, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 12.8km (7.9 miles) | ⓘAgate Harbor, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| 13.8km (8.6 miles) | ⓘHigh Rock Bay, Grant Township, Keweenaw County, Michigan, USA |
| 15.2km (9.4 miles) | ⓘKeweenaw Point, Grant Township, Keweenaw County, Michigan, USA |
| 19.7km (12.2 miles) | ⓘEagle Harbor Marina, Eagle Harbor Township, Keweenaw County, Michigan, USA |
| References |
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Porter's Island, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA