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Prasiolite
Prasiolite

Vlasovite
Vlasovite



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Prasiolite
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Vlasovite

Prasiolite and Vlasovite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy, Vitreous, Pearly
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
(x): colorless. (y): colorless. (z): colorless.
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.544-1.5531.607
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
monoclinic
1.8 Birefringence
0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Prasiolite and Vlasovite Optic Character

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

Prasiolite and Vlasovite Transparency

Similar to their colors, Prasiolite and Vlasovite 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, Prasiolite is Translucent and Transparent while Prasiolite is Translucent and Transparent in appearance.