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Vanadinite
Vanadinite

Cassiterite
Cassiterite



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Vanadinite
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Cassiterite

Vanadinite and Cassiterite Optical Properties

Optical Properties

Luster

Resinous
Adamantine, Greasy

Pleochroism

-
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.150.07
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

2.4161.990-2.105
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
tetragonal

Birefringence

0.0660.096-0.098
0 0.296
👆🏻

Clarity

-
Transparent

Vanadinite and Cassiterite Optic Character

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

Similar to their colors, Vanadinite and Cassiterite 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.