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Scheelite
Scheelite

Friedelite
Friedelite



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Scheelite
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Friedelite

Scheelite and Friedelite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine
-

Pleochroism

Definite dichoric in yellow (yellow to orange-brown)
-

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

Translucent, Transparent
Translucent

Refractive Index

1.918-1.9361.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

0.0160.032-0.035
0 0.296
👆🏻

Clarity

Translucent
Translucent

Scheelite and Friedelite Optic Character

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

Similar to their colors, Scheelite and Friedelite 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 Translucent and Transparent while Scheelite is Translucent and Transparent in appearance.