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Cassiterite
Cassiterite

Emerald
Emerald



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Cassiterite
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Emerald

Cassiterite and Emerald Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Vitreous
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Strong dichroism: yellow green Lazzarelli
1.3 Dispersion
0.070.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.990-2.1051.565-1.602
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Hexagonal
1.8 Birefringence
0.096-0.0980.0040-0.0070
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Cassiterite and Emerald Optic Character

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

Similar to their colors, Cassiterite and Emerald 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.