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Rossmanite
Rossmanite

Omphacite
Omphacite



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Rossmanite
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Omphacite

Rossmanite and Omphacite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

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

Dispersion

0.020.02
0.005 1
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Transparency

TransparentWebmineral.com
TranslucentAnthony et al

Refractive Index

1.624-1.6451.662-1.723
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.021-9999
0 0.296
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Clarity

TransparentWebmineral.com
TranslucentAnthony et al

Rossmanite and Omphacite Optic Character

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

Rossmanite and Omphacite Transparency

Similar to their colors, Rossmanite and Omphacite 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, Rossmanite is TransparentWebmineral.com while Rossmanite is TransparentWebmineral.com in appearance.