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Hanksite
Hanksite

Sinhalite
Sinhalite



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Hanksite
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Sinhalite

Hanksite and Sinhalite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

-
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4811.665-1.712
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.0200.036-0.042
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Hanksite and Sinhalite Optic Character

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

Hanksite and Sinhalite Transparency

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