×

Cassiterite
Cassiterite

Grossular
Grossular



ADD
Compare
X
Cassiterite
X
Grossular

Cassiterite and Grossular Optical Properties

Optical Properties

Luster

Adamantine, Greasy
Greasy, Vitreous

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
None

Dispersion

0.070.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.990-2.1051.730-1.760
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
cubic

Birefringence

0.096-0.0980.020
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Cassiterite and Grossular Optic Character

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

Similar to their colors, Cassiterite and Grossular 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.