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Schorl
Schorl

Pyrargyrite
Pyrargyrite



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Schorl
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Pyrargyrite

Schorl and Pyrargyrite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Very strong: yellow-brown pale yellow
0.02
Transparent, Translucent
1.635-1.672
-
-
0.025
Transparent
 
Adamantine
Distinct
0.05
Translucent
2.881-3.084
-
Trigonal
0.203
Translucent

Schorl and Pyrargyrite Optic Character

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

Schorl and Pyrargyrite Transparency

Similar to their colors, Schorl and Pyrargyrite 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, Schorl is while Schorl is in appearance.