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Viridine
Viridine

Apatite
Apatite



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Viridine
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Apatite

Viridine and Apatite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
Blue stones – strong

Dispersion

0.020.01
0.005 1
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Transparency

Transparent, Translucent
-

Refractive Index

1.629-1.6601.628-1.651
1 3.25
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Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.007-0.0130.002-0.008
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Viridine and Apatite Optic Character

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

Viridine and Apatite Transparency

Similar to their colors, Viridine and Apatite 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, Viridine is Transparent and Translucent while Viridine is Transparent and Translucent in appearance.