Beryl and Scheelite Optical Properties

Beryl

Scheelite

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1 Optical Properties

1.1 Luster

Vitreous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous

Vitreous, Adamantine

1.2 Pleochroism

Weak to distinct

Definite dichoric in yellow (yellow to orange-brown)

1.3 Dispersion

0.010.04

0.007 1

1.4 Transparency

Transparent, Transparent to opaque

Translucent, Transparent

1.5 Refractive Index

1.560-1.6041.918-1.936

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

tetragonal

1.8 Birefringence

0.0040-0.00700.016

0 0.296

1.9 Clarity

Transparent

Translucent

Beryl and Scheelite Optic Character

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

Similar to their colors, Beryl 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.