Uvarovite Garnet and Precious Opal Optical Properties

Uvarovite Garnet

Precious Opal

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.860-1.8701.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric

Not Available

1.8 Birefringence

Not AvailableNot Available

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Uvarovite Garnet and Precious Opal Optic Character

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

Similar to their colors, Uvarovite Garnet and Precious Opal 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.