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Pollucite
Pollucite

Emerald
Emerald



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Pollucite
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Emerald

Pollucite and Emerald Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
Strong dichroism: yellow green Lazzarelli

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.517-1.5251.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
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Clarity

Transparent
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Pollucite and Emerald Optic Character

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

Pollucite and Emerald Transparency

Similar to their colors, Pollucite and Emerald 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, Pollucite is Transparent and Translucent while Pollucite is Transparent and Translucent in appearance.