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Scheelite
Scheelite

Melanite
Melanite



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Scheelite
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Melanite

Scheelite and Melanite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine
Subadamantine, Vitreous
1.2 Pleochroism
Definite dichoric in yellow (yellow to orange-brown)
Not Available
1.3 Dispersion
0.040.06
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Transparent
Translucent
1.5 Refractive Index
1.918-1.9361.855-1.895
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.016Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Scheelite and Melanite Optic Character

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

Similar to their colors, Scheelite and Melanite 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.