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Ametrine
Ametrine

Charlesite
Charlesite



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Ametrine
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Charlesite

Ametrine and Charlesite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Nearly colorless to pale golden yellow

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.544-1.5531.492
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Transparent
-

Ametrine and Charlesite Optic Character

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

Ametrine and Charlesite Transparency

Similar to their colors, Ametrine 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, Ametrine is Transparent while Ametrine is Transparent in appearance.