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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
Oxides
[95 from 99] Chalcedony. Psevdostalaktity chalcedony with tabular crystals of calcite.
The name, a brief visual description:
Chalcedony. Psevdostalaktity chalcedony with tabular crystals of calcite.
Sample size:
Ore. 13.5 h12h3, 5 cm 0,560 kg.
Place of sampling:
The deposit is not known
Forsterite with spinel. Phenocrysts of pink spinel solid white granular...
Chalcedony Grey minerak with straw-colored colour. There are cavities o...