General Information:
Chemical Formula:
Pb3(Sb+++,As+++)O3(OH)Cl2
Empirical Formula:
Pb3(SbO3)0.75(AsO3)0.25(OH)Cl2
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[001] Perfect
Color:
light yellow.
Density:
7.24
Hardness:
3 - Calcite
Luster:
Vitreous (Glassy)
Streak:
light yellow
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