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Boracite
Boracite

Scheelite
Scheelite



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Boracite
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Scheelite

Boracite and Scheelite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
Vitreous, Adamantine

Pleochroism

None
Definite dichoric in yellow (yellow to orange-brown)

Dispersion

-0.04
0.005 1
👆🏻

Transparency

Transparent
Translucent, Transparent

Refractive Index

1.658-1.6731.918-1.936
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.010-0.0110.016
0 0.296
👆🏻

Clarity

Transparent
Translucent

Boracite and Scheelite Optic Character

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

Boracite and Scheelite Transparency

Similar to their colors, Boracite 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, Boracite is Transparent while Boracite is Transparent in appearance.