Optical Properties of Danburite

Danburite

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1 Optical Properties

1.1 Luster

Vitreous, Greasy

1.2 Pleochroism

Weak: pale yellow yellow

1.3 Dispersion

0.02

Rank: 22 (Overall) ▶

0.007 1

1.4 Transparency

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.627-1.639

1 3.25

1.6 Optic Character

Biaxial/+

1.7 Crystal System

Orthorhombic

1.8 Birefringence

0.006

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Danburite Luster

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

Danburite luster is the quantity of light the crystal reflects when light is incident on it. Danburite which is commonly found in Yellow, Brown, Colorless, White, gray, Brownish, Yellow color, is Gemmological Tables (2004) More from other references in nature. It possess Greasy and Vitreous luster.

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Danburite Refractive Index

Optical properties of a Danburite 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 Danburite.

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 Danburite refractive index is 1.627-1.639. Birefringence value for this gem is 0.006. So if you are searching for prominent Yellow Gemstones, Danburite gem is something not miss on, since it has been a favorite pick in the gem wearing community.

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