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Hanksite
Hanksite

Beryl
Beryl



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Hanksite
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Beryl

Hanksite and Beryl Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
Weak to distinct

Dispersion

0.030.01
0.005 1
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Transparency

-
Transparent, Transparent to opaque

Refractive Index

1.4811.560-1.604
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
Hexagonal

Birefringence

0.0200.0040-0.0070
0 0.296
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Clarity

-
Transparent

Hanksite and Beryl Optic Character

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

Similar to their colors, Hanksite and Beryl 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.