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Magnesite
Magnesite

Phenakite
Phenakite



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Magnesite
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Phenakite

Magnesite and Phenakite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.509-1.7201.650-1.695
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.1910.016
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Magnesite and Phenakite Optic Character

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

Magnesite and Phenakite Transparency

Similar to their colors, Magnesite 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, Magnesite is Translucent while Magnesite is Translucent in appearance.