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Topazolite
Topazolite

Bustamite
Bustamite



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Topazolite
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Bustamite

Topazolite and Bustamite Optical Properties

Optical Properties

Luster

Subadamantine
Vitreous

Pleochroism

-
Weak

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.855-1.8951.662-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.013-0.015
0 0.296
👆🏻

Clarity

Transparent
Transparent

Topazolite and Bustamite Optic Character

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

Topazolite and Bustamite Transparency

Similar to their colors, Topazolite and Bustamite 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, Topazolite is Transparent while Topazolite is Transparent in appearance.