Composition: LaF

Molar mass: 195.901

Density (g cm


): 5.90

The space lattice of LaF

belongs to the tysonite structure.

A single crystal can be grown artificially.

Melting point (8C) 1493

Boiling point (8C) 2327

Hardness 4.5 (Mohs)

Transmittance and Reflectance

The transmittance and reflectance spectra of LaF

are shown in Figure 1.