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Pollucite
Pollucite

Zincite
Zincite



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Pollucite
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Zincite

Pollucite and Zincite Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Subadamantine, Resinous

Pleochroism

-
Very weak

Dispersion

0.010.16
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentRobert C. Kammerling

Refractive Index

1.517-1.5252.013-2.029
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

-99990.016
0 0.296
👆🏻

Clarity

Transparent
TransparentRobert C. Kammerling

Pollucite and Zincite Optic Character

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

Similar to their colors, Pollucite and Zincite 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.