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Ametrine
Ametrine

Ruby
Ruby



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Ametrine
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Ruby

Ametrine and Ruby Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Adamantine

Pleochroism

-
Strong: purplish-red

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to opaque

Refractive Index

1.544-1.5531.762-1.778
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.0090.008
0 0.296
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Clarity

Transparent
Transparent

Ametrine and Ruby Optic Character

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

Similar to their colors, Ametrine and Ruby 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.