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Cordierite
Cordierite

Boleite
Boleite



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X
Cordierite
X
Boleite

Cordierite and Boleite Optical Properties

Optical Properties

Luster

Greasy, Vitreous
Vitreous, Pearly

Pleochroism

X = pale yellow
-

Dispersion

0.010.07
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

-99992.05
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Isometric

Birefringence

-99990.010
0 0.296
👆🏻

Clarity

-
Transparent

Cordierite and Boleite Optic Character

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

Cordierite and Boleite Transparency

Similar to their colors, Cordierite 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, Cordierite is while Cordierite is in appearance.