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Pyroxmangite
Pyroxmangite

Omphacite
Omphacite



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Pyroxmangite
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Omphacite

Pyroxmangite and Omphacite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

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

Dispersion

0.020.02
0.005 1
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Transparency

-
TranslucentAnthony et al

Refractive Index

1.735-1.7561.662-1.723
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.017-0.019-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TranslucentAnthony et al

Pyroxmangite and Omphacite Optic Character

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

Pyroxmangite and Omphacite Transparency

Similar to their colors, Pyroxmangite 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, Pyroxmangite is while Pyroxmangite is in appearance.