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Cassiterite
Cassiterite

Kyanite Cyprine
Kyanite Cyprine



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Cassiterite
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Kyanite Cyprine

Cassiterite and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Vitreous
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
Albite Optical ..
0.07
Rank: 6 (Overall)
0.02
Rank: 18 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.990-2.105
1.710-1.735
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.096-0.098
0.012-0.033
1.9 Clarity
Transparent
Transparent

Cassiterite and Kyanite Cyprine Optic Character

Cassiterite and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cassiterite and Kyanite Cyprine 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 Kyanite Cyprine 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. Kyanite Cyprine has Biaxial/+ character.

Cassiterite and Kyanite Cyprine Transparency

Similar to their colors, Cassiterite and Kyanite Cyprine 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.