Home
Gemstones


Cassiterite and Garnet Optical Properties


Garnet and Cassiterite Optical Properties


Optical Properties

Luster
Adamantine, Greasy   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow   
None   

Dispersion
0.07   
6
0.02   
16

Transparency
Transparent, Translucent   
Transparent, Transparent to translucent   

Refractive Index
1.990-2.105   
1.730-1.895   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Trigonal   

Birefringence
0.096-0.098   
Not Available   

Clarity
Transparent   
Transparent   

Benefits >>
<< Physical Properties

Cassiterite and Garnet Optic Character

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

Compare Red Gemstones

Cassiterite and Garnet Transparency

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

Red Gemstones

Red Gemstones


Compare Red Gemstones