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Bronzite
Bronzite

Grandidierite
Grandidierite



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Bronzite
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Grandidierite

Bronzite and Grandidierite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
visible

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.6681.578-1.639
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0140.037-0.039
0 0.296
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Clarity

Transparent
-

Bronzite and Grandidierite Optic Character

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

Bronzite and Grandidierite Transparency

Similar to their colors, Bronzite and Grandidierite 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, Bronzite is Transparent and Translucent while Bronzite is Transparent and Translucent in appearance.