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Peridot
Peridot

Variscite
Variscite



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Peridot
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Variscite

Peridot and Variscite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Waxy
1.2 Pleochroism
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
MissingWalter Schumann
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent, Opaque . May be translucent when backlit on the edges.
1.5 Refractive Index
1.64-1.691.560-1.594
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.0360.031
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Peridot and Variscite Optic Character

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

Peridot and Variscite Transparency

Similar to their colors, Peridot and Variscite 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, Peridot is Transparent while Peridot is Transparent in appearance.