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Almandine
Almandine

Diamond
Diamond



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Almandine
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Diamond

Almandine and Diamond Optical Properties

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Optical Properties

Luster

Greasy, Vitreous
Adamantine

Pleochroism

None
None

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

1.770-1.8202.417-2.419
1 3.25
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Optic Character

-
-

Crystal System

cubic
cubic

Birefringence

-9999-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Almandine and Diamond Optic Character

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

Almandine and Diamond Transparency

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