Enstatite and Vishnevite Optical Properties

Enstatite

Vishnevite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

1.2 Pleochroism

Pale green to pale orange

Not Available

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.650-1.6801.490-1.507

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Hexagonal

1.8 Birefringence

0.009-0.0110.002-0.012

0 0.296

1.9 Clarity

Transparent

Not Available

Enstatite and Vishnevite Optic Character

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

Similar to their colors, Enstatite and Vishnevite 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, Enstatite is Translucent and Transparent while Enstatite is Translucent and Transparent in appearance.