Beryl and Catapleiite Optical Properties

Beryl

Catapleiite

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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

1.2 Pleochroism

Weak to distinct

Not Available

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

TransparentUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)

1.5 Refractive Index

1.560-1.604

1.590-1.629

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

1.8 Birefringence

0.0040-0.0070

0.039

1.9 Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Beryl and Catapleiite Optic Character

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

Similar to their colors, Beryl and Catapleiite 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.

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Bloodstone Heliotrope

Blue Beryl Maxixe

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Boleite

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