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Hiddenite
Hiddenite

Piemontite
Piemontite



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Hiddenite
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Piemontite

Hiddenite and Piemontite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.016
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
visible
0.02
-
1.725-1.756
-
monoclinic
0.025-0.076
-

Hiddenite and Piemontite Optic Character

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

Hiddenite and Piemontite Transparency

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