FLUORITE

 

Tounfit, Boumia, Khénifra Province, Béni Mellal-Khénifra Region, Morocco

CaF2

Crystal System: cubic
Colour: colourless, purple, lilac, golden-yellow, green, blue, pink, champagne or brown
Lustre: vitreous, dull
Habitus: cubic, octahedral, rarely dodecahedral
Hardness: 4
Fracture: splintery or sub-conchoidal
Cleavage: perfect on {111}
Density:  3.181 g/cm3 
Origin and geological occurrence: fluorite is found as a common gangue mineral in hydrothermal veins, especially those containing lead and zinc minerals. It is also found in some granites, pegmatites and in some metamorphic rocks (like marble).

www.mindat.org
Smorf link

 

Samples:

R22 3.1 fluorite

 

3.1  Fluorite
Yellowish cubic crystals of fluorite with minor galena.

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3.2 R23 fluorite

3.2 Fluorite 
Massive sample of fluorite with accessory galena. Well developed cleavage on the surface. 

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3.3 R24 FLUORITE

3.3 Fluorite
Cubic crystals.

#halides

P22 FLUORITE

3.5 Fluorite
Green octahedron (cleavage).

#halides

3 e6 fluorite1

3.6 Fluorite
Colourless octahedron (cleavage).

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