General Information:
Chemical Formula:Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4
Composition:(Molecular Weight = 1,114.18 gm)Lithium 1.40 %
LiCalcium 3.60 %
CaAluminum 16.35 %
AlSilicon 15.12 %
SiBoron 5.82 %
B Hydrogen 0.14 %
H Oxygen 56.72 %
O Fluorine 0.85 %
F Empirical Formula: CaLi2.25Al6.75BO33Si6O20(OH)1.5F0.5
IMA Status:Approved IMA 1977
Physical Properties: Cleavage:None
Color:blue, brown, green, pink, or red.
Density:3.02
Diaphaniety:Transparent to Subtranslucent
Hardness:7.5 - Garnet
Luster:Vitreous (Glassy)
Streak:white
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