General Information:
Chemical Formula:CaAlSiO4(OH)
Composition:(Molecular Weight = 176.15 gm)Calcium 22.75 %
CaAluminum 15.32 %
AlSilicon 15.94 %
SiHydrogen 0.57 %
H Oxygen 45.41 %
O Empirical Formula: CaAl(SiO4)(OH)
IMA Status:Approved IMA 1976
Physical Properties: Cleavage:[???] Perfect
Color:colorless, white, or light pink.
Density:3.2 - 3.25, Average = 3.22
Diaphaniety:Transparent to Translucent
Hardness:6 - Orthoclase
Luster:Vitreous (Glassy)
Streak:white
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