General Information:
Chemical Formula:
Pb(Nd,La)(CO3)2(OH)·(H2O)
Composition:
(Molecular Weight = 505.15 gm)
Lanthanum 6.87 % La
Hydrogen 0.60 % H
Lead 41.02 % Pb
Carbon 4.76 % C
Neodymium 21.42 % Nd
Oxygen 25.34 % O
Empirical Formula:
PbNd0.75La0.25(CO3)2(OH)·(H2O)
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
None
Color:
light pink or red pink.
Density:
4.82
Diaphaniety:
Transparent
Hardness:
4-4.5 - Between Fluorite and Apatite
Luster:
Vitreous - Greasy
Streak:
light pink
More details...