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List of collections
Native elements Sulfides Oxides Silicates Forms allocation of minerals Phosphates Carbonates Sulfates Halides Synthetic minerals Chromates Tungstates Gemology Jewelry and semi-precious stones Articles of stone Deposits of semiprecious raw Precious metals Minerals gold deposits
Sulfides
[40 from 60] Marcasite. Fine-grained aggregate in a fragment of the nodules.
The name, a brief visual description:
Marcasite. Fine-grained aggregate in a fragment of the nodules.
Sample size:
Ore. 8,5 x6, 5x6 cm 0,292 kg.
Place of sampling:
Novoulyanovsk city, Ulyanovsk region.
Kuban. Druze of crystals on the needle cubanite cast.
Pyrite-calcite aggregate. With an admixture of mica and chlorite.