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Scheelite
Scheelite

Tourmaline
Tourmaline



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Scheelite
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Tourmaline

Scheelite and Tourmaline Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Vitreous
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
typically moderate to strong
1.3 Dispersion
0.040.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.918-1.9361.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
0.0160.014-0.040
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Scheelite and Tourmaline Optic Character

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

Similar to their colors, Scheelite and Tourmaline 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.