Fluorite Crystal, Blue Fluorite, Undamaged Very Interesting Cubic Fluorite Crystal. 377 Gram

Stone Type : Fluorite
Weight : 377 Gram
Dimension : 103*72*54
Origin : Shigar( Pakistan )
Treatment : Natural
Color: Green, Blue, Black, Purple, Yellow, White, Red, Pink, Orange, Brown
Luster: Vitreous
Crystal system: Cubic crystal system
Chemical formula: CaF₂
Hardness (Mohs hardness scale): 4
Transparency: Translucent, Transparent
Refractive index: 1.433 – 1.448

Description :
Fluorite is the mineral form of calcium fluoride, CaF₂. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as fluorite.