Hypersthene and Hurlbutite Optical Properties

Hypersthene

Hurlbutite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

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

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Transparent

1.5 Refractive Index

1.673-1.7311.595-1.604

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.0160.009

0 0.296

1.9 Clarity

Transparent

Hypersthene and Hurlbutite Optic Character

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

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Hypersthene and Hurlbutite Transparency

Similar to their colors, Hypersthene and Hurlbutite 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.