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Pink fluorite

Category: Halide mineral

 

Chemical formula: CaF2

 

Strunz classification: 03.AB.25

 

Crystal symmetry: Isometric 4/m 3 2/m

 

Unit cell: a = 5.4626 Å; Z=4

 

Refractive index: 1.433–1.448

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Uploaded on September 4, 2011
Taken on September 4, 2011