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Pyrargyrite
Pyrargyrite

Hypersthene
Hypersthene



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Pyrargyrite
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Hypersthene

Pyrargyrite and Hypersthene Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

Distinct
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli

Dispersion

0.050.02
0.005 1
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Transparency

Translucent
Transparent, Translucent

Refractive Index

2.881-3.0841.673-1.731
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.2030.016
0 0.296
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Clarity

Translucent
Transparent

Pyrargyrite and Hypersthene Optic Character

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

Pyrargyrite and Hypersthene Transparency

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