Mineral - Belovite-(Ce)
Belovite-(Ce)
Chemical Properties
Mineral Class
Phosphates
Toxicity
none
Formula
NaCeSr₃(PO₄)₃F
Unit Cell
a=9.69 c=7.20 Z=2
Physical Properties
Hardness
5
Streak
white
Density
Heavy (3,5-6)
Cleavage
Fracture
uneven
Tenacity
Brittle
Optical Properties
Color
yellowgreen
Birefringence
0.020
Luster
Vitreous,
Greasy
Transparency
translucent,
transparent
Pleochroism
Geomineralogical Properties
Crystal System
trigonal
Point Group
rhombohedral - 3
Space Group
P 3 (147)
Habit
coarse, massive, prismatic
Formation
Secondary in alkaline pegmatites
Paragenesis
Twinning
Rarity
Rare
Synonyms
Belovite-(Ce), Belovite
Composition
Elements
Mass
SO₃
1.12
P₂O₅
28.88
SiO₂
0.20
Fe₂O₃
0.60
REE₂O₃
24.00
MgO
0.16
CaO
5.23
SrO
33.60
BaO
0.96
Na₂O
3.60
K₂O
0.20
H₂O
0.89
Russia (Borodin & Kazakova 1954)
Groups and Members
Apatite-Supergroup
Belovite-Group
Name and first discovery: Named after the Russian mineralogist Nikolai Vasil'evich Belov (1891-1982). First described in 1953.
Chemism:
Synonyms:
Varieties:
Abbreviation: Blv-Ce
Literature
Borodin, L. S., & Kazakova, M. E. (1954). Belovite-(Ce): a new mineral from an alkaline pegmatite. DokladyAkademii Nauk SSSR, 96, 613-616.