| Locality type: | Mine |
| Classification |
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| Species: | Powellite |
| Formula: | Ca(MoO4) |
| Quality for species: | Good crystals or rich for species - important (!) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Powellite data |
| Locality Data: | Click here to view Isle Royal Mines, Portage Township, Houghton County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 70199 |
| Long-form Identifier: | 1:3:70199:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Powellite |
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|
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| 17.1km (10.6 miles) | ⓘSouth Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| 18.8km (11.7 miles) | ⓘTamarack Mine, Tamarack, Osceola Township, Houghton County, Michigan, USA |
| 19.5km (12.1 miles) | ⓘRed Jacket Shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA |
| 21.1km (13.1 miles) | ⓘNo. 3 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA |
| 61.0km (37.9 miles) | ⓘMinesota Mine, Rockland, Ontonagon County, Michigan, USA |
| 79.5km (49.4 miles) | ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA |
| 89.3km (55.5 miles) | ⓘMichigan Mine, Ely Township, Marquette County, Michigan, USA |
| 91.2km (56.6 miles) | ⓘRopes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA |
| 93.0km (57.8 miles) | ⓘSuperior gold & silver prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA |
| 94.3km (58.6 miles) | ⓘPaulding Uranium prospect, Watersmeet, Gogebic County, Michigan, USA |
| References |
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Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons. |
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