Kyanite and Beryl Optical Properties

Kyanite

Beryl

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1 Optical Properties

1.1 Luster

Vitreous, Pearly

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

Trichroic

Weak to distinct

1.3 Dispersion

Albite Optical ..

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Not Available

Rank: N/A (Overall)▶

0.01

Rank: 26 (Overall)▶

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Fluorite Optical Properties

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0.044 (Anglesite Opt..)

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1.4 Transparency

Not Available

Transparent, Transparent to opaque

1.5 Refractive Index

1.71-1.74

1.560-1.604

1.6 Optic Character

Not Available

1.7 Crystal System

Triclinic

Hexagonal

1.8 Birefringence

Not Available

0.0040-0.0070

1.9 Clarity

Color grading system

Transparent

Kyanite and Beryl Optic Character

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

Compare Blue Gemstones

Kyanite Vs Blue quartz

Kyanite Vs Swiss blue topaz

Kyanite Vs Kashmir sapphire

Kyanite and Beryl Transparency

Similar to their colors, Kyanite 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, Kyanite is Not Available while Kyanite is Not Available in appearance.