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Hematite (Var: Specularite) : Fe2O3 | |
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Cassinga Mine, Lubango City Council, Huíla Province, Angola Sample with 4x3x2,5cm - May of 1973 |
| © Martins da Pedra | Photo ID: 75191 View Count: 924 |
Hematite : Fe2O3 | |
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Cassinga Mine, Lubango City Council, Huíla Province, Angola Sample not crystallized with 5x3x2,5cm - May of 1973 |
| © Martins da Pedra | Photo ID: 43086 View Count: 818 |
Hematite : Fe2O3 | |
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South Cassinga, Lubango City Council, Huíla Province, Angola Hematite - Perhaps a Neolitic engine ? - 4x3x2cm - February of 1975 |
| © Martins da Pedra | Photo ID: 103565 View Count: 392 |
Hematite : Fe2O3 | |
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Argentina A wonderfully aesthetic Argentine hematite miniature, with the smaller crystals creating a perfect setting for the pristine 2-cm octahedron that anchors the specimen. 3.6 x 3.3 x 2.4cm |
| © Rob Lavinsky | Photo ID: 57087 View Count: 636 |
Hematite (Var: Martite) : Fe2O3, Hematite : Fe2O3 | |
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Valle de las Plumas, Paso de Indios, Chubut, Argentina Hematite after Magnetite. Some parts are still magnetic. 4 x 2 cm. |
| © Marcelo O. Olsina | Photo ID: 19714 View Count: 781 |
Hematite : Fe2O3 | |
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Mina Las Mojarras, Tanti, Punilla Department, Córdoba, Argentina Coating of scaly red hematite on albite. FOV = 2 x 3 mm |
| © Van King | Photo ID: 232542 View Count: 67 |
Hematite : Fe2O3, Magnetite : Fe2+Fe3+2O4 | |
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Milagros, La Rioja, Argentina 3.4 x 2.7 x 2.4 cm. A complete octahedron of magnetite has been replaced (pseudomorphed) by hematite, retaining the octahedral form of the original magnetite. You can see interesting concentric triangular-shaped terracing on the faces. |
| © Rob Lavinsky | Photo ID: 162420 View Count: 234 |
Hematite : Fe2O3, Magnetite : Fe2+Fe3+2O4 | |
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Milagros, La Rioja, Argentina 2.6 x 2.5 x 2.3 cm. Hematite has pseudomorphed a perfectly-formed octahedral crystal of magnetite - with interesting terraced epitaxial faces. |
| © Rob Lavinsky | Photo ID: 180698 View Count: 139 |
Hematite : Fe2O3, Magnetite : Fe2+Fe3+2O4 | |
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Milagros, La Rioja, Argentina 3.4 x 2.8 x 2.8 x 2.8 cm, 3.3 x 3.3 x 3.3 cm, 3.1 x 2.8 x 2.8 cm, 2.4 x 2.4 x 2.4 cm. Four examples of sharp, octahedral crystals of magnetite that have been pseudomorphed by hematite, retaining the shape of the original magnetites. Collector Dave Stoudt picked these up during his travels in South America, in 2003. |
| © Rob Lavinsky | Photo ID: 195248 View Count: 124 |
Hematite : Fe2O3, Magnetite : Fe2+Fe3+2O4 | |
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Milagros, La Rioja, Argentina 4 x 4 x 3.8 cm (largest). Four complete octahedrons of magnetite have been replaced (pseudomorphed) by hematite, retaining the octahedral form of the original magnetite. You can see interesting concentric triangular-shaped terracing on the faces. |
| © Rob Lavinsky | Photo ID: 203918 View Count: 89 |
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