General Information:
Chemical Formula:
(Mg,Fe++)Ce2(CO3)4
Composition:
(Molecular Weight = 552.46 gm)
Cerium 50.72 % Ce
Magnesium 3.30 % Mg
Iron 2.53 % Fe
Carbon 8.70 % C
Oxygen 34.75 % O
Empirical Formula:
Mg0.75Fe2+0.25Ce2(CO3)4
Environment:
Rare earth carbonates.
IMA Status:
Approved IMA 1987
Locality:
Sulfide Queen mine, Mountain Pass, San Bernardino Co., Calif.
Physical Properties:
Cleavage:
[010] Indistinct
Color:
colorless.
Density:
4.3
Diaphaniety:
Transparent
Streak:
white
More details...