Andradite Garnet and Pyroxmangite Optical Properties

Andradite Garnet

Pyroxmangite

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Optical Properties

Luster

Adamantine

Vitreous

Pleochroism

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Opaque, Transparent to opaque

Refractive Index

1.888-1.8891.735-1.756

1 3.25

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Optic Character

Crystal System

Isometric

Birefringence

-99990.017-0.019

0 0.296

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Clarity

Transparent to opaque

TransparentUlrich Henn and Claudio C. Milisenda

Andradite Garnet and Pyroxmangite Optic Character

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

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Andradite Garnet and Pyroxmangite Transparency

Similar to their colors, Andradite Garnet and Pyroxmangite 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, Andradite Garnet is Transparent, Opaque and Transparent to opaque while Andradite Garnet is Transparent, Opaque and Transparent to opaque in appearance.