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Proustite
Proustite

Hypersthene
Hypersthene



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Proustite
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Hypersthene

Proustite and Hypersthene Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
Moderate; cochineal-red to blood-red
0.03
OpaqueUlrich Henn and Claudio C. Milisenda
2.792-3.087
-
Trigonal
0.295-0.296
OpaqueUlrich Henn and Claudio C. Milisenda
 
Vitreous, Pearly
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli
0.02
Transparent, Translucent
1.673-1.731
-
Orthorhombic
0.016
Transparent

Proustite and Hypersthene Optic Character

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

Proustite and Hypersthene Transparency

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