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Pearl
Pearl

Carnelian
Carnelian



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Pearl
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Carnelian

Pearl and Carnelian Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
AbsentWalter Schumann
1.3 Dispersion
NoneNone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Translucent, Transparent to nearly opaque
1.5 Refractive Index
1.52-1.661.535-1.539
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Trigonal
1.8 Birefringence
0.1560.003-0.009
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Pearl and Carnelian Optic Character

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

Pearl and Carnelian Transparency

Similar to their colors, Pearl 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.