Esperite and Azurite Optical Properties

Esperite

Azurite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

colorless.

Visible shades of blue

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

OpaqueAnthony et al, Opaque, Transparent

Transparent, Translucent

1.5 Refractive Index

1.760-1.7741.720-1.850

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.0120.108

0 0.296

1.9 Clarity

OpaqueAnthony et al

Transparent

Esperite and Azurite Optic Character

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

Similar to their colors, Esperite and Azurite 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.