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Gahnite
Gahnite

Tinzenite
Tinzenite



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Gahnite
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Tinzenite

Gahnite and Tinzenite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
In thick sections

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.790-1.8181.690-1.705
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
-

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Gahnite and Tinzenite Optic Character

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

Gahnite and Tinzenite Transparency

Similar to their colors, Gahnite and Tinzenite 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, Gahnite is while Gahnite is in appearance.