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Calcite
Calcite

Pollucite
Pollucite



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Calcite
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Pollucite

Calcite and Pollucite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.150.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.486-1.6581.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric

Birefringence

0.154-0.174-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Calcite and Pollucite Optic Character

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

Calcite and Pollucite Transparency

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