General Information:
Chemical Formula:
Ca6(Fe+++,Al,Mn++)2(SO4)2[B(OH)4](OH)12·25(H2O)
IMA Status:
Approved IMA 1981
Physical Properties:
Cleavage:
[1010] Perfect
Color:
greenish yellow, yellow, yellow green, or orange brown.
Density:
1.847
Diaphaniety:
Transparent to Translucent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous (Glassy)
Streak:
yellow white
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