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Rubellite
Rubellite

Scheelite
Scheelite



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Scheelite

Rubellite and Scheelite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
0.04
Rank: 12 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Translucent, Transparent
1.5 Refractive Index
1.614-1.666
1.918-1.936
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
0.014-0.040
0.016
1.9 Clarity
Transparent
Translucent

Rubellite and Scheelite Optic Character

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

Rubellite and Scheelite Transparency

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