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Satin Spar
Satin Spar

Variscite
Variscite



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Satin Spar
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Variscite

Satin Spar and Variscite Optical Properties

Optical Properties

Luster

Silky
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

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

Refractive Index

-99991.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.031
0 0.296
👆🏻

Clarity

-
Translucent

Satin Spar and Variscite Optic Character

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

Satin Spar and Variscite Transparency

Similar to their colors, Satin Spar 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, Satin Spar is while Satin Spar is in appearance.