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Franklinite
Franklinite

Scheelite
Scheelite



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Franklinite
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Scheelite

Franklinite and Scheelite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine
1.2 Pleochroism
Not Available
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.04
Rank: 12 (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Translucent, Transparent
1.5 Refractive Index
Not Available
1.918-1.936
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
tetragonal
1.8 Birefringence
Not Available
0.016
1.9 Clarity
Translucent
Translucent

Franklinite and Scheelite Optic Character

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

Franklinite and Scheelite Transparency

Similar to their colors, Franklinite 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, Franklinite is Translucent while Franklinite is Translucent in appearance.