Optical Properties of Hercynite

Hercynite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

1.3 Dispersion

Albite Optical ..

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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

Translucent

1.5 Refractive Index

1.80-1.83

1.6 Optic Character

Not Available

1.7 Crystal System

Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

1.8 Birefringence

Not Available

1.9 Clarity

Translucent

Hercynite Luster

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

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

Yellow Gemstones

Honey Opal

Humite

Hyacinth

Hydrogrossular

Jeremejevite

Kyanite Cyprine

Hercynite Refractive Index

Optical properties of a Hercynite 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 Hercynite.

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 Hercynite refractive index is 1.80-1.83. So if you are searching for prominent Yellow Gemstones, Hercynite gem is something not miss on, since it has been a favorite pick in the gem wearing community.