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Datolite
Datolite

Bustamite
Bustamite



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Datolite
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Bustamite

Datolite and Bustamite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.621-1.6751.662-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.0440.013-0.015
0 0.296
👆🏻

Clarity

Transparent
Transparent

Datolite and Bustamite Optic Character

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

Datolite and Bustamite Transparency

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