Esperite and Beryl Optical Properties

Esperite

Beryl

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous

1.2 Pleochroism

colorless.

Weak to distinct

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

OpaqueAnthony et al, Opaque, Transparent

Transparent, Transparent to opaque

1.5 Refractive Index

1.760-1.7741.560-1.604

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Hexagonal

1.8 Birefringence

0.0120.0040-0.0070

0 0.296

1.9 Clarity

OpaqueAnthony et al

Transparent

Esperite and Beryl Optic Character

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

Similar to their colors, Esperite and Beryl 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.