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Fluorite
Fluorite

Sard
Sard



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Fluorite
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Sard

Fluorite and Sard Optical Properties

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Optical Properties

Luster

Vitreous
Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent, Transparent to translucent
Translucent

Refractive Index

1.432-1.4361.535-1.539
1 3.25
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Optic Character

-
-

Crystal System

cubic
-

Birefringence

-99990.008-0.010
0 0.296
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Clarity

Transparent
Translucent

Fluorite and Sard Optic Character

Fluorite and Sard optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fluorite and Sard 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 Sard 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 Sard Transparency

Similar to their colors, Fluorite and Sard 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 Transparent, Translucent and Transparent to translucent while Fluorite is Transparent, Translucent and Transparent to translucent in appearance.