General Information:
Chemical Formula:
Ca(Y,REE)(CO3)4(OH)2·3(H2O)
Composition:
(Molecular Weight = 484.63 gm)
La,Ce,Pr,Nd,Sm,14.86 % RE
Calcium 8.27 % Ca
Yttrium 9.17 % Y
Hydrogen 1.66 % H
Carbon 9.91 % C
Oxygen 56.12 % O
Empirical Formula:
CaY0.5REE0.5(CO3)4(OH)2·3(H2O)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
brown, colorless, white, or light yellow.
Density:
3.19
Diaphaniety:
Transparent
Hardness:
2-3 - Gypsum-Calcite
Luster:
Vitreous (Glassy)
Streak:
white
More details...