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Realgar
Realgar

Inderite
Inderite



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Realgar
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Inderite

Realgar and Inderite Optical Properties

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Optical Properties

Luster

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Vitreous, Pearly, Greasy

Pleochroism

Nearly colorless to pale golden yellowAnthony et al
-

Dispersion

0.06-
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.538-2.7041.488-1.505
1 3.25
👆🏻

Optic Character

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Biaxial/+

Crystal System

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Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

0.1660.017
0 0.296
👆🏻

Clarity

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TransparentUlrich Henn and Claudio C. Milisenda

Realgar and Inderite Optic Character

Realgar and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Realgar and Inderite 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 Realgar and Inderite 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. Inderite has Biaxial/+ character.

Realgar and Inderite Transparency

Similar to their colors, Realgar and Inderite 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, Realgar is while Realgar is in appearance.