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Leucite
Leucite

Piemontite
Piemontite



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Leucite
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Piemontite

Leucite and Piemontite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
visible

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.504-1.5101.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.0010.025-0.076
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Leucite and Piemontite Optic Character

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

Similar to their colors, Leucite and Piemontite 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.