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Pollucite
Pollucite

Pearl
Pearl



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Pollucite
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Pearl

Pollucite and Pearl Optical Properties

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Optical Properties

Luster

Vitreous, Greasy
Pearly

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
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Transparency

Transparent, Translucent
Translucent, Opaque

Refractive Index

1.517-1.5251.52-1.66
1 3.25
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Optic Character

-
-

Crystal System

Isometric
Orthorhombic

Birefringence

-99990.156
0 0.296
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Clarity

Transparent
Translucent

Pollucite and Pearl Optic Character

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

Similar to their colors, Pollucite and Pearl 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.