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Chrysoberyl
Chrysoberyl

Cassiterite
Cassiterite



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Chrysoberyl
X
Cassiterite

Chrysoberyl and Cassiterite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Adamantine, Greasy
1.2 Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Pleochroic haloes have been observed. Dichroic in yellow
1.3 Dispersion
0.020.07
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Transparent, Translucent
1.5 Refractive Index
1.746-1.7631.990-2.105
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
tetragonal
1.8 Birefringence
0.007-0.0130.096-0.098
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Chrysoberyl and Cassiterite Optic Character

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

Chrysoberyl and Cassiterite Transparency

Similar to their colors, Chrysoberyl 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, Chrysoberyl is Translucent, Transparent and Transparent to translucent while Chrysoberyl is Translucent, Transparent and Transparent to translucent in appearance.