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Yttrium Aluminium Garnet
Yttrium Aluminium Garnet

Phosgenite
Phosgenite



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Yttrium Aluminium Garnet
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Phosgenite

Yttrium Aluminium Garnet and Phosgenite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Adamantine
1.2 Pleochroism
Not Available
Weakly pleochroic with O reddish and E greenish in thick sections.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.8332.117-2.145
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
tetragonal
1.8 Birefringence
Not Available0.027
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Yttrium Aluminium Garnet and Phosgenite Optic Character

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

Similar to their colors, Yttrium Aluminium Garnet and Phosgenite 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.