Balipholite

General Information: Chemical Formula:BaMg2LiAl3Si4O12(OH,F)8 Composition:(Molecular Weight = 718.20 gm)Barium 19.12 % BaLithium 0.97 % LiMagnesium 6.77 % MgAluminum 11.27 % AlSilicon 15.64 % SiHydrogen 0.84 % H Oxygen 40.10 % O Fluorine 5.29 % F  Empirical Formula: BaMg2LiAl3Si4O12(OH)6F2 IMA Status:Approved IMA 1975Physical Properties: Cleavage:[010] Good Color:white or light yellow. Density:3.33 - 3.35, Average = 3.34 Diaphaniety:Transparent to Translucent Hardness:5-5.5 - Apatite-Knife Blade Luster:Silky Streak:whiteMore details...