General Information:
Chemical Formula:
PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)·1.5(H2O)
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
[110] Perfect
Color:
azure or turquoise.
Density:
5.2
Diaphaniety:
Transparent
Hardness:
3-4 - Calcite-Fluorite
Luster:
Adamantine
Streak:
light blue
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