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Ulexite
Ulexite

Piemontite
Piemontite



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Ulexite
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Piemontite

Ulexite and Piemontite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
visible

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.491-1.5201.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.0290.025-0.076
0 0.296
👆🏻

Clarity

Transparent
-

Ulexite and Piemontite Optic Character

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

Ulexite and Piemontite Transparency

Similar to their colors, Ulexite 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, Ulexite is Transparent while Ulexite is Transparent in appearance.