×

Fancy Diamond
Fancy Diamond

Dravite
Dravite



ADD
Compare
X
Fancy Diamond
X
Dravite

Fancy Diamond and Dravite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Very strong: pale yellow colorless

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.421.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

Birefringence

-99990.014-0.032
0 0.296
👆🏻

Clarity

-
Transparent

Fancy Diamond and Dravite Optic Character

Fancy Diamond and Dravite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fancy Diamond and Dravite 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 Dravite 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.

Fancy Diamond and Dravite Transparency

Similar to their colors, Fancy Diamond and Dravite 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.