| Locality type: | Tunnel |
| Classification |
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| Species: | Magnetite |
| Formula: | Fe2+Fe23+O4 |
| Comments: | Crystals to 1 cm was found by Goldschmidt, of magnetite pseudomorphs after hematite. |
| 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 Grua Railway Tunnel, Grua, Lunner, Akershus, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 711809 |
| Long-form Identifier: | 1:3:711809:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Magnetite |
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| 0.2km (0.1 miles) | ⓘØsthagan Iron and Limestone Mines, Østhagan Nature Reserve, Grua mining district, Lunner, Akershus, Norway |
| 0.5km (0.3 miles) | ⓘGrua Tunnel, Grua, Lunner, Akershus, Norway |
| 0.7km (0.4 miles) | ⓘGranvegen, Gruakollen, Grua, Lunner, Akershus, Norway |
| 1.8km (1.1 miles) | ⓘNyseter Zinc Mines, Grua mining district, Lunner, Akershus, Norway |
| 2.1km (1.3 miles) | ⓘSkjerpemyr Mine, Grua mining district, Lunner, Akershus, Norway |
| 9.7km (6.1 miles) | ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway |
| 13.0km (8.1 miles) | ⓘKongens Mine, Elsjøkongen, Elsjø Mining Field, Nannestad, Akershus, Norway |
| 13.8km (8.6 miles) | ⓘErdmann Mine, Engelstadvangen, Elsjø Mining Field, Nannestad, Akershus, Norway |
| 16.0km (9.9 miles) | ⓘSkreihaugen, Gran, Innlandet, Norway |
| 18.2km (11.3 miles) | ⓘVardeåsen Pb prospect, Nannestad, Akershus, Norway |
| References |
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