Leucite and Yttrium Aluminium Garnet Optical Properties

Leucite

Yttrium Aluminium Garnet

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

Gemmological Tables (2004)

1.5 Refractive Index

1.504-1.5101.833

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

tetragonal

Not Available

1.8 Birefringence

0.001Not Available

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Leucite and Yttrium Aluminium Garnet Optic Character

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

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Leucite and Yttrium Aluminium Garnet Transparency

Similar to their colors, Leucite and Yttrium Aluminium Garnet 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, Leucite is Gemmological Tables (2004) More from other references while Leucite is Gemmological Tables (2004) More from other references in appearance.