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Precious coral
Precious coral

Carnelian
Carnelian



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Precious coral
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Carnelian

Precious coral and Carnelian Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Transparent to nearly opaque
1.5 Refractive Index
Not Available1.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Trigonal
1.8 Birefringence
Not Available0.003-0.009
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Precious coral and Carnelian Optic Character

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

Precious coral and Carnelian Transparency

Similar to their colors, Precious coral and Carnelian 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, Precious coral is Not Available while Precious coral is Not Available in appearance.