| Locality type: | Mine |
| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view Aetna Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 399198 |
| Long-form Identifier: | 1:3:399198:5 |
| GUID (UUID V4): | c560e116-ec76-4c0d-8bba-ac021edebb4c |
| Nearest other occurrences of Laumontite |
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| 3.8km (2.4 miles) | ⓘMontreal Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 4.4km (2.8 miles) | ⓘLakeshore traps, Eagle Harbor, Keweenaw County, Michigan, USA |
| 5.2km (3.3 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.3km (3.3 miles) | ⓘManganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 6.2km (3.8 miles) | ⓘDan's Point, Eagle Harbor, Keweenaw County, Michigan, USA |
| 6.6km (4.1 miles) | ⓘBete Grise Bay, Bete Grise, Grant Township, Keweenaw County, Michigan, USA |
| 6.8km (4.2 miles) | ⓘHays Point, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 8.0km (5.0 miles) | ⓘMount Bohemia Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 8.0km (5.0 miles) | ⓘMount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 8.8km (5.5 miles) | ⓘNew York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA |
| References |
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