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Vanadinite
Vanadinite

Cordierite
Cordierite



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Vanadinite
X
Cordierite

Vanadinite and Cordierite Optical Properties

Optical Properties

Luster

Resinous
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.150.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.416-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.066-9999
0 0.296
👆🏻

Clarity

-
-

Vanadinite and Cordierite Optic Character

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

Vanadinite and Cordierite Transparency

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