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Cassiterite
Cassiterite

Chrysotile
Chrysotile



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Cassiterite
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Chrysotile

Cassiterite and Chrysotile Optical Properties

Optical Properties

Luster

Adamantine, Greasy
Silky

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
-

Dispersion

0.070.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.990-2.1051.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Monoclinic : clinochrysotile (most common)

Birefringence

0.096-0.0980.001
0 0.296
👆🏻

Clarity

Transparent
-

Cassiterite and Chrysotile Optic Character

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

Cassiterite and Chrysotile Transparency

Similar to their colors, Cassiterite and Chrysotile 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, Cassiterite is Transparent and Translucent while Cassiterite is Transparent and Translucent in appearance.