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Amethyst
Amethyst

Verdite
Verdite



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Amethyst
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Verdite

Amethyst and Verdite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Silky
1.2 Pleochroism
None
Extreme
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to translucent
Translucent
1.5 Refractive Index
1.544-1.5531.580
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Amethyst and Verdite Optic Character

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

Similar to their colors, Amethyst and Verdite 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.