Oxides[76 from 99] Magnetite. Thick fine disseminations of magnetite crystals in the calcite.
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The name, a brief visual description:
Magnetite.
Thick fine disseminations of magnetite crystals in the calcite.
Sample size:
Ore. 7h6h4 6 cm 0,416 kg.
Place of sampling:
The field Kovdorskoye, Kola Peninsula