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Titanite Sphene
Titanite Sphene

Scheelite
Scheelite



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Titanite Sphene
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Scheelite

Titanite Sphene and Scheelite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
0.05
Transparent, Translucent
1.843-2.110
-
-
0.100-0.192
Transparent
 
Vitreous, Adamantine
Definite dichoric in yellow (yellow to orange-brown)
0.04
Translucent, Transparent
1.918-1.936
-
tetragonal
0.016
Translucent

Titanite Sphene and Scheelite Optic Character

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

Titanite Sphene and Scheelite Transparency

Similar to their colors, Titanite Sphene 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, Titanite Sphene is while Titanite Sphene is in appearance.