Hypersthene and Jet Optical Properties

Hypersthene

Jet

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy

1.2 Pleochroism

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

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.673-1.7311.640-1.680

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Amorphous

1.8 Birefringence

0.016Not Available

0 0.296

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Hypersthene and Jet Optic Character

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

Compare Black Gemstones

Hypersthene Vs Morion

Hypersthene Vs Melanite

Hypersthene Vs Neptunite

Hypersthene and Jet Transparency

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