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Cassiterite
Cassiterite

Tigers Eye
Tigers Eye



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Cassiterite
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Tigers Eye

Cassiterite and Tigers Eye Optical Properties

1 Optical Properties
1.1 Luster
Adamantine, Greasy
Silky
1.2 Pleochroism
Pleochroic haloes have been observed. Dichroic in yellow
Not Available
1.3 Dispersion
0.07None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Opaque
1.5 Refractive Index
1.990-2.1051.534-1.540
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Trigonal
1.8 Birefringence
0.096-0.098Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Gemstones of the world (2001) More from other references

Cassiterite and Tigers Eye Optic Character

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

Similar to their colors, Cassiterite and Tigers Eye 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.