Fluorite on Mongolian Quartz

Fluorite on Mongolian Quartz
 
 TOP and rare piece!
 Unspoiled piece , beautiful color and Ghosts !
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Origin: Mongolia
 Size: 11cm by 7.5cm by 7cm
 Chemical formula: CaF2
 Crystal system: Cubic
 Hardness Mohs scale: 4
 
 Definition:
 Fluorite (or fluorite ) is amineral species composed of calcium fluoride . The different trace ions are at the origin of the multiple colors and colored zonations encountered for this mineral .