Optical Properties of Melanite

Melanite

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1 Optical Properties

1.1 Luster

Subadamantine, Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

Albite Optical ..

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0.06

Rank: 7 (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

1.855-1.895

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

1.8 Birefringence

Not Available

1.9 Clarity

Translucent

Melanite Luster

Optical Properties of Melanite 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. Melanite optical properties like luster, clarity, refractive index etc. are used to determine the non-destructive methods during gemstone identification and evaluation.

Melanite luster is the quantity of light the crystal reflects when light is incident on it. Melanite which is commonly found in Black color, is Translucent in nature. It possess Subadamantine and Vitreous luster.

Black Gemstones

Morion

Neptunite

Pargasite

Povondraite

Proustite

Pyrargyrite

Melanite Refractive Index

Optical properties of a Melanite 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 Melanite.

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 Melanite refractive index is 1.855-1.895. So if you are searching for prominent Black Gemstones, Melanite gem is something not miss on, since it has been a favorite pick in the gem wearing community.