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Amethyst
Amethyst

Pearl
Pearl



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Amethyst
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Pearl

Amethyst and Pearl Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Pearly
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
0.01None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Translucent, Opaque
1.5 Refractive Index
1.544-1.5531.52-1.66
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Orthorhombic
1.8 Birefringence
0.0090.156
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Amethyst and Pearl Optic Character

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

Amethyst and Pearl Transparency

Similar to their colors, Amethyst and Pearl 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.