Diamond and Scheelite Optical Properties

Diamond

Scheelite

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Optical Properties

Luster

Adamantine

Vitreous, Adamantine

Pleochroism

None

Definite dichoric in yellow (yellow to orange-brown)

Dispersion

0.040.04

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Translucent, Transparent

Refractive Index

2.417-2.4191.918-1.936

1 3.25

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Optic Character

Crystal System

cubic

tetragonal

Birefringence

-99990.016

0 0.296

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Clarity

Transparent

Translucent

Diamond and Scheelite Optic Character

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

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Diamond and Scheelite Transparency

Similar to their colors, Diamond and Scheelite 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, Diamond is Transparent, Translucent and Transparent to opaque while Diamond is Transparent, Translucent and Transparent to opaque in appearance.