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Almandine
Almandine

Legrandite
Legrandite



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Almandine
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Legrandite

Almandine and Legrandite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
Colorless

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.770-1.8201.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
monoclinic

Birefringence

-99990.060
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Almandine and Legrandite Optic Character

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

Similar to their colors, Almandine and Legrandite 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.