Enstatite and Erythrite Optical Properties

Enstatite

Erythrite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Subadamantine, Pearly

1.2 Pleochroism

Pale green to pale orange

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

Not Available

1.5 Refractive Index

1.650-1.6801.626-1.629

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.009-0.011Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Enstatite and Erythrite Optic Character

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

Similar to their colors, Enstatite and Erythrite 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.