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Fluorite

IMA-Approved Mineral Species


Properties and Data
Physical Properties
Composition
CaF2
Chemical Name
Calcium Fluoride
Molecular Weight
78.075 g/mol
Density
3.175 - 3.56 g/cm3
Mohs Hardness
4
Melting Point
1360 °C (2480 °F)
Member of
Fluorite Group
Crystal System
Isometric
Optical Properties
Type
Isotropic
Refractive Index
n = 1.433 - 1.448
Dispersion Factor
0.007
Additional Information
Otherwise known by Fluorspar or Fluoride

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Variants and Types
Intrinsic
Intrinsic
Color: Colorless
Eu:CaF2
Eu:CaF2
Color: Colorless
Fluorescence: Blue
Cause: Europium Ions
Used for Specialty Scintillators, Sensors
Production and Synthesis
Czochralski Method
Czochralski Method
Involves pulling a crystal (boule) upward from a molten solution. Produces some of the purest crystals but requires a cleanroom environment.
References
REFERENCES





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