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Fancy Diamond
Fancy Diamond

Dioptase
Dioptase



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Fancy Diamond
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Dioptase

Fancy Diamond and Dioptase Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Weak; dark emerald green

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

-
TranslucentHerve Nicolas Lazzarelli

Refractive Index

2.421.644-1.720
1 3.25
👆🏻

Optic Character

-
-

Crystal System

cubic
Trigonal

Birefringence

-99990.051-0.053
0 0.296
👆🏻

Clarity

-
TranslucentHerve Nicolas Lazzarelli

Fancy Diamond and Dioptase Optic Character

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

Similar to their colors, Fancy Diamond and Dioptase 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.