Esperite and Labradorite Optical Properties

Esperite

Labradorite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

colorless.

From the Congo

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

OpaqueAnthony et al, Opaque, Transparent

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.760-1.7741.554-1.573

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Triclinic

1.8 Birefringence

0.0120.008-0.010

0 0.296

1.9 Clarity

OpaqueAnthony et al

Transparent

Esperite and Labradorite Optic Character

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

Similar to their colors, Esperite and Labradorite 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, Esperite is Opaque, OpaqueAnthony et al and Transparent while Esperite is Opaque, OpaqueAnthony et al and Transparent in appearance.