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Hackmanite
Hackmanite

Kutnohorite
Kutnohorite



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Hackmanite
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Kutnohorite

Hackmanite and Kutnohorite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.030.18
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.483-1.4871.727
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
-

Hackmanite and Kutnohorite Optic Character

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

Similar to their colors, Hackmanite and Kutnohorite 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 while Hackmanite is in appearance.