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Beudantite
Beudantite

Nepouite
Nepouite



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Beudantite
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Nepouite

Beudantite and Nepouite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Waxy, Pearly

Pleochroism

visible
Weak

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.9571.600-1.630
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

0.014-9999
0 0.296
👆🏻

Clarity

-
-

Beudantite and Nepouite Optic Character

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

Similar to their colors, Beudantite and Nepouite 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.