General Information:
Chemical Formula:
(Sr,Ca)Al2Si2O8
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
[001] Perfect, [010] Good
Color:
colorless or medium gray.
Density:
3.1
Diaphaniety:
Transparent
Hardness:
5.5-6.5
Luster:
Vitreous (Glassy)
Streak:
white
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