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Leucite
Leucite

Pollucite
Pollucite



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Leucite
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Pollucite

Leucite and Pollucite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.504-1.5101.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Isometric

Birefringence

0.001-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Leucite and Pollucite Optic Character

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

Leucite and Pollucite Transparency

Similar to their colors, Leucite 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, Leucite is while Leucite is in appearance.