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Zultanite
Zultanite

Phenakite
Phenakite



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Zultanite
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Phenakite

Zultanite and Phenakite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.68-1.751.650-1.695
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.016
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Zultanite and Phenakite Optic Character

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

Zultanite and Phenakite Transparency

Similar to their colors, Zultanite and Phenakite 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, Zultanite is while Zultanite is in appearance.