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Fancy Diamond
Fancy Diamond

Mottramite
Mottramite



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Fancy Diamond
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Mottramite

Fancy Diamond and Mottramite Optical Properties

Optical Properties

Luster

-
Greasy

Pleochroism

-
Visible X=Y= canary yellow to greenish yellow

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.422.170
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Orthorhombic

Birefringence

-99990.150
0 0.296
👆🏻

Clarity

-
-

Fancy Diamond and Mottramite Optic Character

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

Similar to their colors, Fancy Diamond and Mottramite 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.