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Augite : (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
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Monti Rossi, Mt Etna, Etna Volcanic Complex, Catania Province, Sicily, Italy Black crystal of Augite with the typical crystallization on the volcanic rock matrix. The lenght of the single crystal is 8 mm. Photographed by and in the collection of Gaetano Sicurella. |
| © Gaetano Sicurella | Photo ID: 68004 View Count: 488 |
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