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Sinhalite
Sinhalite

White Opal
White Opal



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Sinhalite
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White Opal

Sinhalite and White Opal Optical Properties

Optical Properties

Luster

-
-

Pleochroism

Trichroism: green light brown dark brownHerve Nicolas Lazzarelli
-

Dispersion

0.020.01
0.005 1
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Transparency

-
Translucent

Refractive Index

1.665-1.7121.37-1.52
1 3.25
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Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.036-0.042-9999
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Sinhalite and White Opal Optic Character

Sinhalite and White Opal optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sinhalite and White 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 Sinhalite and White 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.

Sinhalite and White Opal Transparency

Similar to their colors, Sinhalite and White 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, Sinhalite is while Sinhalite is in appearance.