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Yttrium Aluminium Garnet
Yttrium Aluminium Garnet

Titanite Sphene
Titanite Sphene



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Yttrium Aluminium Garnet
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Titanite Sphene

Yttrium Aluminium Garnet and Titanite Sphene Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Green stones strong trichroism: typically colorless greenish yellow brownish to yellow;
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.05
Rank: 9 (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004)
Transparent, Translucent
1.5 Refractive Index
1.833
1.843-2.110
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available
0.100-0.192
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Yttrium Aluminium Garnet and Titanite Sphene Optic Character

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

Yttrium Aluminium Garnet and Titanite Sphene Transparency

Similar to their colors, Yttrium Aluminium Garnet and Titanite Sphene 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.