Hydrated borate containing hydroxyl, inderite group
Crystal System: Monoclinic
Specific gravity: 1.93 to 2.00 measured, 1.92 calculated
Colour: Colourless to white
Solubility: Slowly soluble in cold water, rapidly soluble in hot hydrochloric acid
At the type locality, Deposit No. 06, Inder B deposit and salt dome, Inder, Atyrau Region, Kazakhstan, inderborite occurs in a borate deposit in the caprock of a salt dome, associated with inyoite, colemanite, ulexite and szaibélyite (HOM, Mindat).
At the Sarıkaya B deposit, Kirka, Seyitgazi District, Eskişehir Province, Turkey, inderborite occurs in lacustrine (pertaining to lakes) borate deposits (HOM).
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