Admontite

General Information: Chemical Formula:MgB6O10·7(H2O) Composition:(Molecular Weight = 375.27 gm)Magnesium 6.48 % MgBoron 17.28 % B Hydrogen 3.76 % H Oxygen 72.48 % O  Empirical Formula: Mg(B6O10)·7(H2O) IMA Status:Approved IMA 1979 Locality:TL: Austria, Schidmaur, near AdmontPhysical Properties: Cleavage:None Color:colorless. Density:1.82 - 1.87, Average = 1.84 Diaphaniety:Transparent Habits:Euhedral Crystals - Occurs as well-formed crystals showing good external form., , Hardness:2-3 - Gypsum-Calcite Luminescence:Non-fluorescent. Streak:whiteMore details...