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Pearl
Pearl

Glass
Glass



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Glass

Pearl and Glass Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Not Available
1.2 Pleochroism
AbsentWalter Schumann
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent, Translucent
1.5 Refractive Index
1.52-1.661.48-1.70
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.156Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Glass Optic Character

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

Similar to their colors, Pearl and Glass 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.