Enstatite and Antigorite Optical Properties

Enstatite

Antigorite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

Pale green to pale orange

pale greenish yellow.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Translucent

1.5 Refractive Index

1.650-1.6801.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

1.8 Birefringence

0.009-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Translucent

Enstatite and Antigorite Optic Character

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

Similar to their colors, Enstatite and Antigorite 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.