General Information:
Chemical Formula:
Pb(Fe+++Zn)2(AsO4)2(OH,H2O)2
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Good
Color:
light brown or reddish brown.
Density:
5.5
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Adamantine
Streak:
orange
More details...