Diopside and Dumortierite Optical Properties

Diopside

Dumortierite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue

1.3 Dispersion

0.02None

0.007 1

1.4 Transparency

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

Translucent, Translucent to opaque

1.5 Refractive Index

1.664-1.7301.669-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.024-0.0300.011-0.037

0 0.296

1.9 Clarity

Transparent

Translucent

Diopside and Dumortierite Optic Character

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

Similar to their colors, Diopside and Dumortierite 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.