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Linarite
Linarite

Tantalite
Tantalite



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Linarite
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Tantalite

Linarite and Tantalite Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
Resinous

Pleochroism

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

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

Transparent
TransparentWalter Schumann

Refractive Index

1.809-1.8592.190-2.457
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0500.083
0 0.296
👆🏻

Clarity

Transparent
TransparentWalter Schumann

Linarite and Tantalite Optic Character

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

Similar to their colors, Linarite and Tantalite 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.