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Pyroxmangite
Pyroxmangite

Willemite
Willemite



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Pyroxmangite
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Willemite

Pyroxmangite and Willemite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

-
-

Dispersion

0.020.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.735-1.7561.687-1.723
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.017-0.0190.028-0.030
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Pyroxmangite and Willemite Optic Character

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

Pyroxmangite and Willemite Transparency

Similar to their colors, Pyroxmangite and Willemite 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, Pyroxmangite is while Pyroxmangite is in appearance.