Almandine Garnet and Eosphorite Optical Properties

Almandine Garnet

Eosphorite

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Optical Properties

Luster

Vitreous

Vitreous, Resinous

Pleochroism

Visible: X = yellow; Y = pink; Z = pale pink to colorless

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Transparent

Refractive Index

1.780-1.8101.639-1.672

1 3.25

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Optic Character

Crystal System

Isometric

Orthorhombic

Birefringence

-99990.029-0.032

0 0.296

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Clarity

Transparent to translucent

Transparent

Almandine Garnet and Eosphorite Optic Character

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

Similar to their colors, Almandine Garnet and Eosphorite 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, Almandine Garnet is Transparent, Translucent and Transparent to translucent while Almandine Garnet is Transparent, Translucent and Transparent to translucent in appearance.