Diopside and Nickeline Optical Properties

Diopside

Nickeline

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

Strong (reflected light)

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .

Not Available

1.5 Refractive Index

1.664-1.730Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Hexagonal

1.8 Birefringence

0.024-0.030Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Diopside and Nickeline Optic Character

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

Similar to their colors, Diopside and Nickeline 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 Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . while Diopside is Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . in appearance.