Inderite

General Information: Chemical Formula:MgB3O3(OH)5·5(H2O) Composition:(Molecular Weight = 279.85 gm)Magnesium 8.69 % MgBoron 11.59 % B Hydrogen 5.40 % H Oxygen 74.32 % O  Empirical Formula: MgB3O3(OH)5·5(H2O) IMA Status:Approved IMA 1960 Locality:Inder Lake, Kazakhstan. Name Origin:Named after its source.Physical Properties: Cleavage:[110] Good Color:colorless, white, or pink. Density:1.8 Diaphaniety:Transparent Habits:Euhedral Crystals - Occurs as well-formed crystals showing good external form., Massive - Uniformly indistinguishable crystals forming large masses., Hardness:2.5 - Finger Nail Luster:Vitreous (Glassy) Streak:whiteMore details...

MgB3O3(OH)5 5(H2O)