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Anorthoclase
Anorthoclase

Variscite
Variscite



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Anorthoclase
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Variscite

Anorthoclase and Variscite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Pearly
-
0.01
Translucent
1.518-1.534
-
Triclinic Pinacoidal H-M Symbol (1) Space Group: P1
0.006-0.008
Translucent
 
Vitreous, Waxy
-
0.01
Translucent, Opaque . May be translucent when backlit on the edges.
1.560-1.594
-
Orthorhombic
0.031
Translucent

Anorthoclase and Variscite Optic Character

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

Anorthoclase and Variscite Transparency

Similar to their colors, Anorthoclase 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, Anorthoclase is while Anorthoclase is in appearance.