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Bustamite
Bustamite

Stolzite
Stolzite



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Bustamite
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Stolzite

Bustamite and Stolzite Optical Properties

Optical Properties

Luster

Vitreous
Resinous, Subadamantine

Pleochroism

Weak
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.662-1.7072.180-2.190
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
tetragonal

Birefringence

0.013-0.0150.090
0 0.296
👆🏻

Clarity

Transparent
-

Bustamite and Stolzite Optic Character

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

Bustamite and Stolzite Transparency

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