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Hackmanite
Hackmanite

Scheelite
Scheelite



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Hackmanite
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Scheelite

Hackmanite and Scheelite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine
1.2 Pleochroism
Not Available
Definite dichoric in yellow (yellow to orange-brown)
1.3 Dispersion
NA0.04
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Translucent, Transparent
1.5 Refractive Index
1.483-1.4871.918-1.936
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available0.016
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Hackmanite and Scheelite Optic Character

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

Hackmanite and Scheelite Transparency

Similar to their colors, Hackmanite 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, Hackmanite is Gemmological Tables (2004) while Hackmanite is Gemmological Tables (2004) in appearance.