Common Opal

Beryl

Common Opal and Beryl Optical Properties

Common Opal

Beryl

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1 Optical Properties

1.1 Luster

Not Available

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

AbsentWalter Schumann

Weak to distinct

1.3 Dispersion

Albite Optical ..

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None

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

Translucent

Transparent, Transparent to opaque

1.5 Refractive Index

1.37-1.52

1.560-1.604

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not Available

0.0040-0.0070

1.9 Clarity

Translucent

Transparent

Common Opal and Beryl Optic Character

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

Common Opal Vs Diamond

Common Opal Vs Dumortierite

Common Opal Vs Dravite

Common Opal and Beryl Transparency

Similar to their colors, Common Opal 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, Common Opal is Translucent while Common Opal is Translucent in appearance.

Blue Gemstones

Coral

Cordierite Iolite

Covellite

Cyprine of Berzelius

Diamond

Dravite