Enstatite and Esperite Optical Properties

Enstatite

Esperite

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

Vitreous

1.2 Pleochroism

Pale green to pale orange

colorless.

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent

OpaqueAnthony et al, Opaque, Transparent

1.5 Refractive Index

1.650-1.6801.760-1.774

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Orthorhombic

monoclinic

1.8 Birefringence

0.009-0.0110.012

0 0.296

1.9 Clarity

Transparent

OpaqueAnthony et al

Enstatite and Esperite Optic Character

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

Similar to their colors, Enstatite and Esperite 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.