Andradite Garnet and Fire Agate Optical Properties

Andradite Garnet

Fire Agate

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Optical Properties

Luster

Adamantine

Waxy, Vitreous, Greasy, Silky

Pleochroism

Dispersion

0.030.01

0.005 1

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Transparency

Transparent, Opaque, Transparent to opaque

Translucent

Refractive Index

1.888-1.8891.530-1.543

1 3.25

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Optic Character

Crystal System

Isometric

Trigonal

Birefringence

-99990.003-0.009

0 0.296

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Clarity

Transparent to opaque

Translucent

Andradite Garnet and Fire Agate Optic Character

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

Similar to their colors, Andradite Garnet and Fire Agate 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.