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Beudantite
Beudantite

Realgar
Realgar



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Beudantite
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Realgar

Beudantite and Realgar Optical Properties

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

visible
Nearly colorless to pale golden yellowAnthony et al

Dispersion

0.030.06
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.9572.538-2.704
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.0140.166
0 0.296
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Clarity

-
-

Beudantite and Realgar Optic Character

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

Beudantite and Realgar Transparency

Similar to their colors, Beudantite 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, Beudantite is while Beudantite is in appearance.