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Verdelite
Verdelite

Sugilite
Sugilite



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Verdelite
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Sugilite

Verdelite and Sugilite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Strong: dark green yellow
Weak
1.6 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.7 Transparency
Transparent, Translucent
Translucent
1.8 Refractive Index
1.614-1.6661.607-1.612
Agate Opal
1 3.25
1.9 Optic Character
Not Available
Not Available
1.10 Crystal System
Not Available
Hexagonal
1.11 Birefringence
0.014-0.0400.003
Achroite
0 0.296
1.12 Clarity
Transparent
Translucent

Verdelite and Sugilite Optic Character

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

Verdelite and Sugilite Transparency

Similar to their colors, Verdelite and Sugilite 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.