Andradite Garnet and Kornerupine Optical Properties

Andradite Garnet

Kornerupine

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous

1.2 Pleochroism

Not Available

X = colorless to green; Y = colorless

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent, Opaque, Transparent to opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.888-1.8891.660-1.685

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Orthorhombic

1.8 Birefringence

Not Available0.012-0.017

0 0.296

1.9 Clarity

Transparent to opaque

TransparentUlrich Henn and Claudio C. Milisenda

Andradite Garnet and Kornerupine Optic Character

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

Similar to their colors, Andradite Garnet and Kornerupine 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, Andradite Garnet is Opaque, Transparent and Transparent to opaque while Andradite Garnet is Opaque, Transparent and Transparent to opaque in appearance.