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Yttrium Aluminium Garnet
Yttrium Aluminium Garnet

Chrysoberyl
Chrysoberyl



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Yttrium Aluminium Garnet
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Chrysoberyl

Yttrium Aluminium Garnet and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.8331.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.007-0.013
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Yttrium Aluminium Garnet and Chrysoberyl Optic Character

Yttrium Aluminium Garnet and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Yttrium Aluminium Garnet and Chrysoberyl 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 Yttrium Aluminium Garnet and Chrysoberyl 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.

Yttrium Aluminium Garnet and Chrysoberyl Transparency

Similar to their colors, Yttrium Aluminium Garnet and Chrysoberyl 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, Yttrium Aluminium Garnet is Gemmological Tables (2004) while Yttrium Aluminium Garnet is Gemmological Tables (2004) in appearance.