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Strontianite
Strontianite

Bustamite
Bustamite



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Strontianite
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Bustamite

Strontianite and Bustamite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
Weak

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.517-1.6671.662-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.013-0.015
0 0.296
👆🏻

Clarity

Transparent
Transparent

Strontianite and Bustamite Optic Character

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

Strontianite and Bustamite Transparency

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