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Hessonite
Hessonite

Charlesite
Charlesite



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Hessonite
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Charlesite

Hessonite and Charlesite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Nearly colorless to pale golden yellow

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.742-1.7481.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Hessonite and Charlesite Optic Character

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

Hessonite and Charlesite Transparency

Similar to their colors, Hessonite and Charlesite 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, Hessonite is while Hessonite is in appearance.