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Hematite : Fe2O3, Magnetite : Fe2+Fe3+2O4 | |
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Grängesberg mines, Grängesberg, Ludvika, Dalarna, Sweden Polished specimen of hematite crystals spread out in a matrix of magnetite. Size 60x 70 mm, AÖ specimen and photo. |
| © AÖ | Photo ID: 163287 View Count: 87 |
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