General Information:
Chemical Formula:
(Na,Ca)7(Si,Al)12O24(SO4,CO3,OH,Cl)3·(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Color:
pearl white.
Density:
2.49
Diaphaniety:
Transparent to Translucent
Hardness:
5 - Apatite
Luster:
Vitreous (Glassy)
Streak:
white
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