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FLUORITE #2 Go on to: #1 | #2 | #3 | #4 Fluorite 
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Physical Properties
CaF2
Hardness = 4; Cleavage: octahedral; perfect in 4 directions; Shape: octahedral, but often cleavage masses or masses of intergrown crystals masses Color: violet, blue, green, yellow, brown, bluish, black, pink, rose-red, colorless Luster: vitreous (glassy) |
Description
The clear, glassy properties of this specimen might confuse it with quartz (right). But look more carefully, and you can see cleavages cutting through the mineral (which quartz does not have). These cleavages also form acute angles, typical of the octahedral type. And if you could rotate the specimen a little you would be able to count the four cleavage faces.
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