General Information:
Chemical Formula:
CaAl(Si,Al)4O8(OH)4·((H2O),Cl)
IMA Status:
Approved IMA 1985
Physical Properties:
Cleavage:
[???] Good
Color:
colorless.
Density:
2.4
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
Streak:
white
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