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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
Gemology
[14 from 103] Rock crystal Faceting- circle, fantasy. Colourless. Defectiveness- 1.
The name, a brief visual description:
Rock crystal Faceting- circle, fantasy. Colourless. Defectiveness- 1.
Sample size:
Faceting. diameter. 30 mm. 68,60 carat.
Place of sampling:
Ural
Hedenbergite. Fragment of crystal.
Rock crystal Crystal