Fluorite green (extra tumbling ) Shangrao, Jiangxi province( China)

The price per gram of extra mass finishing fluorite without a choice.
With a choice, selection by color, size - the cost of 20 rubles per gram.
At shows they sell for 25 rubles per gram.
The stone is very soft and fragile,is valued for its intense nurtured and brilliance of colors,as transparent as possible..all vibratory finishing excellent polishing and internal cleavage - at least.
One of the features of fluorite: can weaken the richness of juicy color during prolonged or intermittent stay of the mineral in the sun or under lamps.
For a given mass finishing extra class characteristic thick coating of luscious shades of green.
In the green varieties of fluorite have slightly Samaria(solid white metal).
Also green fluorites are often called chlorophanes,which in Greek sounds like green hydrofluoric spar.

Equally important is the fact that fluorite is a typical fluorescent mineral; when heated and after irradiation with ultraviolet light, it phosphoresces..
The easiest way - you can heat the fluorite in complete darkness and it will begin to glow..