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Almandine
Almandine

Fluorite
Fluorite



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Almandine
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Fluorite

Almandine and Fluorite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous

Pleochroism

None
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.770-1.8201.432-1.436
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
cubic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Almandine and Fluorite Optic Character

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

Similar to their colors, Almandine and Fluorite 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.