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Scheelite
Scheelite

Spessartine
Spessartine



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Scheelite
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Spessartine

Scheelite and Spessartine Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Adamantine
Definite dichoric in yellow (yellow to orange-brown)
0.04
Translucent, Transparent
1.918-1.936
-
tetragonal
0.016
Translucent
 
Vitreous
-
0.03
-
1.789-1.820
-
Isometric
0.027
TransparentUlrich Henn and Claudio C. Milisenda

Scheelite and Spessartine Optic Character

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

Scheelite and Spessartine Transparency

Similar to their colors, Scheelite and Spessartine 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, Scheelite is while Scheelite is in appearance.