Bastnäsite-(La)
Lanthanum analogue of Bastnäsite-(Ce) and Bastnäsite-(Y) .
Fluorine analogue of Hydroxylbastnäsite-(La) .
History
Activities related to discovery and approval of the group members
Structural context
Bastnäsite-(La)
Crystal System hexagonalCrystal Class ditrigonal dipyramidalSpace Group P-62c
a7.094
b7.094
c9.718
alpha90
beta90
gamma120
volume423.5
Based on 1 measurements
Chemical context
Stoichiometric formulas
Bastnäsite-(La)
mindat.org
- March 13, 2023La(CO3)F
IMA
- March 13, 2023La(CO3)F
mineralogy.rocks
- Aug. 30, 2022LaCO3F
Elements recorded on EPMA
1
C
1
Ce
1
F
1
La
1
O
Physical properties
Hardness
4—5
Calculated density
4.89