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Omphacite
Omphacite

Rossmanite
Rossmanite



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Omphacite
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Rossmanite

Omphacite and Rossmanite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Weak: colorless -- very pale green -- very pale green
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

TranslucentAnthony et al
TransparentWebmineral.com

Refractive Index

1.662-1.7231.624-1.645
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.021
0 0.296
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Clarity

TranslucentAnthony et al
TransparentWebmineral.com

Omphacite and Rossmanite Optic Character

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

Omphacite and Rossmanite Transparency

Similar to their colors, Omphacite and Rossmanite 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, Omphacite is TranslucentAnthony et al while Omphacite is TranslucentAnthony et al in appearance.