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Grandidierite
Grandidierite

Boleite
Boleite



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Grandidierite
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Boleite

Grandidierite and Boleite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

visible
-

Dispersion

0.040.07
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.578-1.6392.05
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

0.037-0.0390.010
0 0.296
👆🏻

Clarity

-
Transparent

Grandidierite and Boleite Optic Character

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

Grandidierite and Boleite Transparency

Similar to their colors, Grandidierite and Boleite 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, Grandidierite is while Grandidierite is in appearance.