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Fancy Diamond
Fancy Diamond

Danburite
Danburite



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Fancy Diamond
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Danburite

Fancy Diamond and Danburite Optical Properties

Optical Properties

Luster

-
Vitreous, Greasy

Pleochroism

-
Weak: pale yellow yellow

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.421.627-1.639
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

cubic
Orthorhombic

Birefringence

-99990.006
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Fancy Diamond and Danburite Optic Character

Fancy Diamond and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fancy Diamond and Danburite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Fancy Diamond and Danburite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character. Danburite has Biaxial/+ character.

Fancy Diamond and Danburite Transparency

Similar to their colors, Fancy Diamond and Danburite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Fancy Diamond is while Fancy Diamond is in appearance.