Hypersthene and Boulder Opal Optical Properties

Hypersthene

Boulder Opal

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Not Available

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

1.5 Refractive Index

1.673-1.7311.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Not Available

1.8 Birefringence

0.016Not Available

0 0.296

1.9 Clarity

Transparent

Hypersthene and Boulder Opal Optic Character

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

Similar to their colors, Hypersthene and Boulder Opal 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.