General Information:
Chemical Formula:
(Ca,Na)6(As+++++O4)(As+++++O3OH)3(PO4,SO4)·15(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
None
Color:
colorless.
Density:
2.5
Diaphaniety:
Transparent to Translucent
Hardness:
2-3 - Gypsum-Calcite
Luster:
Vitreous (Glassy)
Streak:
white
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