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Formula: CaMg[B3O3(OH)5]2.6H2O
Hydrated borate containing hydroxyl,
inderite group
Crystal System: Monoclinic
Specific gravity: 1.93 to 2.00 measured, 1.92 calculated
Hardness: 3½
Streak: White
Colour: Colourless to white
Solubility: Slowly soluble in cold water, rapidly soluble in hot hydrochloric acid
Environments
Localities
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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