Diamond and Chlorite group Optical Properties

Diamond

Chlorite group

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Optical Properties

Luster

Adamantine

Vitreous, Pearly

Pleochroism

None

Dispersion

0.040.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Refractive Index

2.417-2.4191.57-1.67

1 3.25

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Optic Character

Crystal System

cubic

monoclinic

Birefringence

-9999-9999

0 0.296

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Clarity

Transparent

Diamond and Chlorite group Optic Character

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

Similar to their colors, Diamond 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, Diamond is Transparent, Translucent and Transparent to opaque while Diamond is Transparent, Translucent and Transparent to opaque in appearance.