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Cassiterite
Cassiterite

Verdelite
Verdelite



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Cassiterite
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Verdelite

Cassiterite and Verdelite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Not Available
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong: dark green yellow
1.3 Dispersion
0.070.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.990-2.1051.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.096-0.0980.014-0.040
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Cassiterite and Verdelite Optic Character

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

Similar to their colors, Cassiterite and Verdelite 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.