General Information:
Chemical Formula:
La(CO3)(OH)
Composition:
(Molecular Weight = 215.92 gm)
Lanthanum 64.33 % La
Hydrogen 0.47 % H
Carbon 5.56 % C
Oxygen 29.64 % O
Empirical Formula:
La(CO3)(OH)
Environment:
Lower portions of karstic bauxites.
IMA Status:
Not Approved
Locality:
Hungary and Yugoslavia.
Name Origin:
Named to conform to the bastnasite goup designations.
Physical Properties:
Color:
yellow.
Density:
4.7 - 4.8, Average = 4.75
Hardness:
4 - Fluorite
Luster:
Vitreous - Greasy
More details...