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Dioptase

Type Locality
Altyn-Tyube dioptase deposit (Altyn-Tube), Altyn-Tyube area, Kirghiz Steppes (Asiatic Steppes), Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan
Mineral Data
CuSiO3·H2O
Strunz: 
9.CJ.30
Physical Properties
Crystal System: 
Trigonal
Streak: 
Green
Hardness: 
5.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Dioptasio and Dioptas
Photos