Optical Properties of Common Opal

Common Opal

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1 Optical Properties

1.1 Luster

Not Available

1.2 Pleochroism

AbsentWalter Schumann

1.3 Dispersion

Albite Optical ..

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None

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

Translucent

1.5 Refractive Index

1.37-1.52

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available

1.9 Clarity

Translucent

Common Opal Luster

Optical Properties of Common Opal are its behavioral responses towards light. While few optical properties can be identified with naked eyes, other require special instruments by the gemologists to identify them. Common Opal optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.

Common Opal luster is the quantity of light the crystal reflects when light is incident on it. Common Opal which is commonly found in White, Colorless, Blue, Red, Green, Yellow, Violet color, is Translucent in nature.

Blue Gemstones

Coral

Cordierite Iolite

Covellite

Cyprine of Berzelius

Diamond

Dravite

Common Opal Refractive Index

Optical properties of a Common Opal crystal are responsive to the small changes in composition and strain within its crystalline structure. Absolute diligence is therefore necessary during cutting and polishing of the gemstone. All such optical properties are majorly influenced by Physical Properties of Common Opal.

As we are well aware, refractive index is the phenomenon which is related to bending of light through a medium (crystal). It is used in qualitative analysis of gemstones by gemologists Besides, few gemstones exhibit property of dual refractive indices. This dual nature is known as Birefringence. The value of Common Opal refractive index is 1.37-1.52. So if you are searching for prominent Blue Gemstones, Common Opal gem is something not miss on, since it has been a favorite pick in the gem wearing community.