| Locality type: | Mine |
| Classification |
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| Species: | Magnetite |
| Formula: | Fe2+Fe23+O4 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Magnetite data |
| Locality Data: | Click here to view Pierce Group Mine (Impro A Mine; Impro B Reserve; Roy Mine; Norpac Mine), St. Louis County, Minnesota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 503663 |
| Long-form Identifier: | 1:3:503663:9 |
| GUID (UUID V4): | a289b40b-ff4d-4f97-8a58-79c6c6ee1672 |
| Nearest other occurrences of Magnetite |
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| 0.3km (0.2 miles) | ⓘPenobscot Mine (U S Steel Corp), St. Louis County, Minnesota, USA |
| 0.4km (0.3 miles) | ⓘSouth Rust Mine (Syracuse Mining Company; P-M & Company Agt), St. Louis County, Minnesota, USA |
| 0.7km (0.4 miles) | ⓘAlworth Land Mine (Hanna Mining Company; Hanna Mining Company Agt), St. Louis County, Minnesota, USA |
| 0.7km (0.4 miles) | ⓘRust Mine, Mahoning-Hull-Rust Mine, Hibbing, St. Louis County, Minnesota, USA |
| 0.9km (0.6 miles) | ⓘHull Mine, Mahoning-Hull-Rust Mine, Hibbing, St. Louis County, Minnesota, USA |
| 1.0km (0.6 miles) | ⓘScranton Mine (Elizabeth Mine; State of Minnesota), St. Louis County, Minnesota, USA |
| 1.0km (0.6 miles) | ⓘAgnew Mine (Syracuse Mining Company; P-M & Company Agt), St. Louis County, Minnesota, USA |
| 1.1km (0.7 miles) | ⓘSouthern Townsite Reserve P-31 Prospect (Syracuse Mining Company; P-M & Company Agt), St. Louis County, Minnesota, USA |
| 1.2km (0.7 miles) | ⓘRust Reserve P-32 Prospect (Syracuse Mining Company; P-M & Company Agt), St. Louis County, Minnesota, USA |
| 1.3km (0.8 miles) | ⓘMahoning Mine (Prince Edward Mine; P-M & Company Agt; Mahoning Ore & Steel Company), St. Louis County, Minnesota, USA |
| References |
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