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Coral
Coral

Ruby
Ruby



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Coral
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Ruby

Coral and Ruby Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
AbsentWalter Schumann
Strong: purplish-red
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.486-1.6581.762-1.778
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.160-0.1720.008
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Coral and Ruby Optic Character

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

Coral and Ruby Transparency

Similar to their colors, Coral 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, Coral is Translucent while Coral is Translucent in appearance.