Optical Properties of Cancrinite

Cancrinite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy, Pearly

1.2 Pleochroism

Not Available

1.3 Dispersion

Not Available

Rank: N/A (Overall) ▶

0.007 1

1.4 Transparency

Transparent

1.5 Refractive Index

1.491-1.524

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

1.8 Birefringence

0.012-0.025

0 0.296

1.9 Clarity

Transparent

Cancrinite Luster

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

Cancrinite luster is the quantity of light the crystal reflects when light is incident on it. Cancrinite which is commonly found in Colorless, White, Blue, Colorless, gray, Green, Yellow, White color, is Transparent in nature. It possess Greasy, Pearly and Vitreous luster.

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Cancrinite Refractive Index

Optical properties of a Cancrinite 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 Cancrinite.

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 Cancrinite refractive index is 1.491-1.524. Birefringence value for this gem is 0.012-0.025. So if you are searching for prominent White Gemstones, Cancrinite gem is something not miss on, since it has been a favorite pick in the gem wearing community.

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