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Pearl
Pearl

Charoite
Charoite



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Pearl
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Charoite

Pearl and Charoite Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Pearly, Fibrous, Chatoyant
1.2 Pleochroism
AbsentWalter Schumann
NilArthur Thomas
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Translucent
1.5 Refractive Index
1.52-1.661.545-1.560
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Triclinic
1.8 Birefringence
0.1560.009
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Pearl and Charoite Optic Character

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

Similar to their colors, Pearl and Charoite 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.