CaF2Cubic

Fluorite

CaF2

Halides
Chemical FormulaCaF2
Crystal SystemCubic
Mohs Hardness4
Specific Gravity3.18
ColorPurple, blue, green, yellow, colorless
LusterVitreous
StreakWhite
CleavageFour directions
FractureConchoidal

Occurrence

Found in hydrothermal veins and cavities. Fluorescent under UV light. Source of fluorine.

Hardness on Mohs Scale

4 / 10
Talc (1)Quartz (7)Diamond (10)