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Kurgantaite

Type Locality
Mt Kurgan-tau, Inder B deposit and salt dome, Atyrau (Gur'yev), Atyrau Province (Atyrau Oblysy; Atyrau Oblast'), Kazakhstan
Mineral Data
CaSr[B5O9]Cl·H2O
Strunz: 
6.ED.05
Physical Properties
Streak: 
white
Hardness: 
6.0 - 6.5
Tenacity: 
brittle