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Topaz
Topaz

Scheelite
Scheelite



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Topaz
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Scheelite

Topaz and Scheelite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine
1.2 Pleochroism
Weak
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
0.010.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Transparent
1.5 Refractive Index
1.606-1.6441.918-1.936
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.008-0.0110.016
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Topaz and Scheelite Optic Character

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

Topaz and Scheelite Transparency

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