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Benitoite
Benitoite

Boleite
Boleite



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Benitoite
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Boleite

Benitoite and Boleite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

O = colorless; E = purple
-

Dispersion

0.040.07
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.757-1.8042.05
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Isometric

Birefringence

0.0470.010
0 0.296
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Clarity

Transparent
Transparent

Benitoite and Boleite Optic Character

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

Benitoite and Boleite Transparency

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