| Locality type: | Mine |
| Classification |
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| Species: | Pumpellyite-(Mg) |
| Formula: | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pumpellyite-(Mg) data |
| Locality Data: | Click here to view Flintsteel Mine (Nassau Mine; Old Flintsteel Mine; Superior-Nassau Superior Mine), Mass City, Ontonagon County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 384850 |
| Long-form Identifier: | 1:3:384850:0 |
| GUID (UUID V4): | 0ca5fab6-f27e-4a08-8913-712f839b748e |
| Nearest other occurrences of Pumpellyite-(Mg) |
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| 0.3km (0.2 miles) | ⓘLake Superior Mine, Ontonagon County, Michigan, USA |
| 1.1km (0.7 miles) | ⓘFlintsteel River Mine, Ontonagon County, Michigan, USA |
| 1.6km (1.0 miles) | ⓘMichigan Mine, Rockland, Ontonagon County, Michigan, USA |
| 1.8km (1.1 miles) | ⓘRockland Mine, Rockland, Ontonagon County, Michigan, USA |
| 2.1km (1.3 miles) | ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA |
| 2.7km (1.7 miles) | ⓘKnowlton Mine, Mass City, Ontonagon County, Michigan, USA |
| 2.7km (1.7 miles) | ⓘMinesota Mine, Rockland, Ontonagon County, Michigan, USA |
| 3.0km (1.9 miles) | ⓘOld Mass Mine, Mass City, Ontonagon County, Michigan, USA |
| 3.0km (1.9 miles) | ⓘNational Mine, Rockland, Ontonagon County, Michigan, USA |
| 4.1km (2.6 miles) | ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA |
| References |
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