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Fluorite
Fluorite

Rubellite
Rubellite



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Fluorite
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Rubellite

Fluorite and Rubellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
1.3 Dispersion
0.010.02
Achroite
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.432-1.4361.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Not Available
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Fluorite and Rubellite Optic Character

Fluorite and Rubellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fluorite and Rubellite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Fluorite and Rubellite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Fluorite and Rubellite Transparency

Similar to their colors, Fluorite and Rubellite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Fluorite is Translucent, Transparent and Transparent to translucent while Fluorite is Translucent, Transparent and Transparent to translucent in appearance.