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Strontianite
Strontianite

Variscite
Variscite



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Strontianite
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Variscite

Strontianite and Variscite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous, Waxy

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

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

Refractive Index

1.517-1.6671.560-1.594
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.031
0 0.296
👆🏻

Clarity

Transparent
Translucent

Strontianite and Variscite Optic Character

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

Strontianite and Variscite Transparency

Similar to their colors, Strontianite 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, Strontianite is Transparent while Strontianite is Transparent in appearance.