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Phenakite
Phenakite

Moonstone
Moonstone



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Phenakite
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Moonstone

Phenakite and Moonstone Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Transparent to translucent

Refractive Index

1.650-1.6951.518-1.527
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0160.006-0.007
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Phenakite and Moonstone Optic Character

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

Phenakite and Moonstone Transparency

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