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Prasiolite
Prasiolite

Sapphire
Sapphire



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Prasiolite
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Sapphire

Prasiolite and Sapphire Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
Very weak: light green pale greenWalter Schumann
Strong
1.3 Dispersion
0.010.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.544-1.5531.762-1.788
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.0090.008-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Prasiolite and Sapphire Optic Character

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

Similar to their colors, Prasiolite and Sapphire 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.