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Linarite
Linarite

Almandine
Almandine



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Linarite
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Almandine

Linarite and Almandine Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
Greasy, Vitreous

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
None

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.809-1.8591.770-1.820
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
cubic

Birefringence

0.050-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Linarite and Almandine Optic Character

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

Linarite and Almandine Transparency

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.