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Purpurite
Purpurite

Variscite
Variscite



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Purpurite
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Variscite

Purpurite and Variscite Optical Properties

Optical Properties

Luster

-
Vitreous, Waxy

Pleochroism

StrongArthur Thomas
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

TranslucentWalter Schumann
Translucent, Opaque . May be translucent when backlit on the edges.

Refractive Index

1.85-1.921.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Orthorhombic

Birefringence

0.0700.031
0 0.296
👆🏻

Clarity

TranslucentWalter Schumann
Translucent

Purpurite and Variscite Optic Character

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

Purpurite and Variscite Transparency

Similar to their colors, Purpurite 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, Purpurite is TranslucentWalter Schumann while Purpurite is TranslucentWalter Schumann in appearance.