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Coral
Coral

Smithsonite
Smithsonite



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Coral
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Smithsonite

Coral and Smithsonite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
None0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.486-1.6581.620-1.850
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.160-0.1720.223-0.227
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Coral and Smithsonite Optic Character

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

Similar to their colors, Coral and Smithsonite 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.