Diopside and Chlorite group Optical Properties

Diopside

Chlorite group

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Not Available

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

1.664-1.7301.57-1.67

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

1.8 Birefringence

0.024-0.030Not Available

0 0.296

1.9 Clarity

Transparent

Not Available

Diopside and Chlorite group Optic Character

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

Similar to their colors, Diopside and Chlorite group 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.