Diopside and Purpurite Optical Properties

Diopside

Purpurite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

StrongArthur Thomas

1.3 Dispersion

0.02NA

0.007 1

1.4 Transparency

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

TranslucentWalter Schumann, Gemstones of the world (2001) More from other references

1.5 Refractive Index

1.664-1.7301.85-1.92

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.024-0.0300.070

0 0.296

1.9 Clarity

Transparent

TranslucentWalter Schumann

Diopside and Purpurite Optic Character

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

Similar to their colors, Diopside and Purpurite 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.