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Sonolite
Sonolite

Phenakite
Phenakite



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Sonolite
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Phenakite

Sonolite and Phenakite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
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Transparency

TransparentAnthony et al
-

Refractive Index

1.763-1.7931.650-1.695
1 3.25
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Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-99990.016
0 0.296
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Clarity

TransparentAnthony et al
TransparentUlrich Henn and Claudio C. Milisenda

Sonolite and Phenakite Optic Character

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

Sonolite and Phenakite Transparency

Similar to their colors, Sonolite 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, Sonolite is TransparentAnthony et al while Sonolite is TransparentAnthony et al in appearance.