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Graphite, Iron


Graphite : C, Iron : Fe

Photo Copyright © John A. Jaszczak, all rights reserved. Use by permission only.  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Ozernaya Mount, Dzheltul'skii massif, Kureika river, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
Cubic graphite pseudomorphs after an unknown precursor (some time speculated to be diamond). Exposed from native iron-filled voids in basalt by dissolving the iron in aqua regia. The cubes are each approximately 0.2 mm across.

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