Sunstone and Uvite Optical Properties

Sunstone

Uvite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Weak or absentWalter Schumann

Pale yellow colorlessAnthony et al

1.3 Dispersion

None0.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.53-1.551.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Not Available

1.8 Birefringence

0.007-0.0100.014-0.032

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Sunstone and Uvite Optic Character

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

Similar to their colors, Sunstone and Uvite 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, Sunstone is Translucent, Transparent and Transparent to translucent while Sunstone is Translucent, Transparent and Transparent to translucent in appearance.