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Ametrine
Ametrine

Eudialyte
Eudialyte



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Ametrine
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Eudialyte

Ametrine and Eudialyte Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Weak: O= colorless

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.544-1.5531.591-1.633
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.0090.003-0.010
0 0.296
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Clarity

Transparent
Translucent

Ametrine and Eudialyte Optic Character

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

Similar to their colors, Ametrine and Eudialyte 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.