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Verdite
Verdite

Cassiterite
Cassiterite



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Verdite
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Cassiterite

Verdite and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Silky
Adamantine, Greasy
1.2 Pleochroism
Extreme
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
NA0.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.5801.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
tetragonal
1.8 Birefringence
Not Available0.096-0.098
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Verdite and Cassiterite Optic Character

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

Verdite and Cassiterite Transparency

Similar to their colors, Verdite 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, Verdite is Translucent while Verdite is Translucent in appearance.