Diamond and Realgar Optical Properties

Diamond

Realgar

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1 Optical Properties

1.1 Luster

Adamantine

Not Available

1.2 Pleochroism

None

Nearly colorless to pale golden yellowAnthony et al

1.3 Dispersion

0.04NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to opaque

Gems

1.5 Refractive Index

2.417-2.4192.538-2.704

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

cubic

Not Available

1.8 Birefringence

Not Available0.166

0 0.296

1.9 Clarity

Transparent

Gems

Diamond and Realgar Optic Character

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

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