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Abalone
Abalone

Almandine
Almandine



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Abalone
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Almandine

Abalone and Almandine Optical Properties

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Optical Properties

Luster

-
Greasy, Vitreous

Pleochroism

-
None

Dispersion

0.540.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.770-1.820
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
cubic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Abalone and Almandine Optic Character

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

Abalone and Almandine Transparency

Similar to their colors, Abalone and Almandine 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, Abalone is while Abalone is in appearance.