Fluorite Smoky Quartz from Hunan, China

Fluorite Smoky Quartz from China.
 
 Piece with very particular and rare crystallization , dark green color under artificial light and blue color with various blue and green ghosts under natural light.
 It is very dificult to render its color on photos.
 Aesthetic piece on natural Smoky Quartz !
 Piece for discerning collectors .
 Ideal for connoisseurs looking for Fluorites of Excellence .
 It deserves its place in the most refined collections or the most prestigious showcases .
 
 Origin: Yao Gang Xian, Hu Nan, China
 Size: 20.5cm by 12cm by 5cm for 1kg010
 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 .