Uvarovite Garnet and Andalusite Optical Properties

Uvarovite Garnet

Andalusite

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1 Optical Properties

1.1 Luster

Adamantine

Vitreous, Greasy

1.2 Pleochroism

Not Available

strongly trichroic

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.860-1.8701.627-1.650

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Orthorhombic

1.8 Birefringence

Not Available0.009-0.010

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Uvarovite Garnet and Andalusite Optic Character

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

Similar to their colors, Uvarovite Garnet and Andalusite 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, Uvarovite Garnet is Translucent, Transparent and Transparent to translucent while Uvarovite Garnet is Translucent, Transparent and Transparent to translucent in appearance.