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Coral
Coral

Mother of Pearl
Mother of Pearl



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Coral
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Mother of Pearl

Coral and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.486-1.6581.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.160-0.1720.16
Achroite
0 0.296
1.9 Clarity
Translucent
Gemmological Tables (2004)

Coral and Mother of Pearl Optic Character

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

Similar to their colors, Coral and Mother of Pearl 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.