Kalsilite

General Information: Chemical Formula:KAlSiO4 Composition:(Molecular Weight = 158.16 gm)Potassium 24.72 % K Aluminum 17.06 % AlSilicon 17.76 % SiOxygen 40.46 % O  Empirical Formula: KAlSiO4Physical Properties: Cleavage:[1010] Indistinct, [0001] Indistinct Color:colorless, gray, gray white, or white. Density:2.59 - 2.625, Average = 2.6 Diaphaniety:Transparent to Translucent Hardness:6 - Orthoclase Luster:Vitreous - Greasy Streak:whiteMore details...