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Ammonite
Ammonite

Ruby
Ruby



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Ammonite
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Ruby

Ammonite and Ruby Optical Properties

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Optical Properties

Luster

-
Vitreous, Adamantine

Pleochroism

-
Strong: purplish-red

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to opaque

Refractive Index

-99991.762-1.778
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.008
0 0.296
👆🏻

Clarity

-
Transparent

Ammonite and Ruby Optic Character

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

Ammonite and Ruby Transparency

Similar to their colors, Ammonite 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, Ammonite is while Ammonite is in appearance.