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Piemontite
Piemontite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Piemontite
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Vesuvianite Idocrase

Piemontite and Vesuvianite Idocrase Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

visible
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.725-1.7561.700-1.725
1 3.25
👆🏻

Optic Character

-
Uniaxial/-

Crystal System

monoclinic
-

Birefringence

0.025-0.0760.002-0.012
0 0.296
👆🏻

Clarity

-
Transparent

Piemontite and Vesuvianite Idocrase Optic Character

Piemontite and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Piemontite and Vesuvianite Idocrase 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 Piemontite and Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

Piemontite and Vesuvianite Idocrase Transparency

Similar to their colors, Piemontite and Vesuvianite Idocrase 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, Piemontite is while Piemontite is in appearance.