Beryl and Aegirine Optical Properties

Beryl

Aegirine

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1 Optical Properties

1.1 Luster

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

Vitreous, Resinous

1.2 Pleochroism

Weak to distinct

X = emerald green

1.3 Dispersion

Albite Optical ..

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0.01

Rank: 26 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Transparent, Transparent to opaque

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.560-1.604

1.720-1.778

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.0040-0.0070

0.037-0.061

1.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

Beryl and Aegirine Optic Character

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

Similar to their colors, Beryl and Aegirine 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.