General Information:
Chemical Formula:
(Sr,La,Ce,Ca)5(PO4)3(F,OH)
Composition:
(Molecular Weight = 857.56 gm)
Strontium 22.99 % Sr
Calcium 1.17 % Ca
Lanthanum 24.30 % La
Cerium 16.34 % Ce
Phosphorus 10.84 % P
Hydrogen 0.12 % H
Oxygen 24.25 % O
Empirical Formula:
5(Sr0.45)5(La0.3)5(Ce0.2)5(Ca0.05)(PO4)3(OH)
Environment:
Alkalic ingeous rocks.
IMA Status:
Approved IMA (Dana # Added)
Name Origin:
Named for Nikolai Vassilievich Belov (1891-1982), mineralogist and crystallographer, Institute of Crystallography, Moscow, Russia.
Physical Properties:
Cleavage:
None
Color:
yellow or greenish yellow.
Density:
4.19
Diaphaniety:
Transparent
Hardness:
5 - Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...