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Magnetite : Fe2+Fe3+2O4 | |
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Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada Thin leaves of magnetite Specimen size: 25x42x27mm largest leaf: 10x9mm These are paper thin leaves of magnetite left after calcite was removed with HCL. It appears the magnetite penetrated cracks in the calcite leaving these thin leaves. They will crumble if touched. |
| © Andrew Morrison | Photo ID: 238374 View Count: 45 |
Magnetite : Fe2+Fe3+2O4, Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7] | |
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Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada Massive Magnetite with patches of green epidote. Specimen size: 27x22x16mm |
| © Andrew Morrison | Photo ID: 232063 View Count: 43 |
Magnetite : Fe2+Fe3+2O4 | |
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Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada Single Magnetite Crystal Octahedron Size: 15x20x11mm Small nick out of one of the corners. I noticed a tiny tip of this octahedron in a much larger rock after bringing it home. Fortunately when I broke up the rock it split right at the magnetite crystal, exposes much of it (I think the only time a rock has broken where I wanted it to). I ... |
| © Andrew Morrison | Photo ID: 231953 View Count: 37 |
Magnetite : Fe2+Fe3+2O4, Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7] | |
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Marmoraton Mine, Marmora Township, Hastings Co., Ontario, Canada Massive Magnetite with Patches of Epidote Size: 45x40x23mm |
| © Andrew Morrison | Photo ID: 232065 View Count: 36 |
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