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Linarite
Linarite

Andradite
Andradite



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X
Linarite
X
Andradite

Linarite and Andradite Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
Adamantine, Resinous

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
-

Dispersion

0.050.06
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.809-1.8591.88-1.94
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
cubic

Birefringence

0.0500.057
0 0.296
👆🏻

Clarity

Transparent
Transparent

Linarite and Andradite Optic Character

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

Similar to their colors, Linarite and Andradite 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.