Diopside and Dioptase Optical Properties

Diopside

Dioptase

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Optical Properties

Luster

Vitreous

Pleochroism

Weak; dark emerald green

Dispersion

0.020.04

0.005 1

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Transparency

Transparent, Translucent, Transparent . Star Diopside is opaque .

TranslucentHerve Nicolas Lazzarelli

Refractive Index

1.664-1.7301.644-1.720

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.024-0.0300.051-0.053

0 0.296

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Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Diopside and Dioptase Optic Character

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

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Diopside and Dioptase Transparency

Similar to their colors, Diopside 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, Diopside is Transparent, Translucent and Transparent . Star Diopside is opaque . while Diopside is Transparent, Translucent and Transparent . Star Diopside is opaque . in appearance.