Diopside and Opal Optical Properties

Diopside

Opal

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Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

None

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent, Transparent . Star Diopside is opaque .

Transparent, Translucent, Transparent to translucent

Refractive Index

1.664-1.7301.37-1.52

1 3.25

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Optic Character

Crystal System

monoclinic

Trigonal

Birefringence

0.024-0.030-9999

0 0.296

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Clarity

Transparent

Diopside and Opal Optic Character

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

Similar to their colors, Diopside and Opal 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.