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Shigaite
Shigaite

Beudantite
Beudantite



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Shigaite
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Beudantite

Shigaite and Beudantite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

Distinct
visible

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.5461.957
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

-99990.014
0 0.296
👆🏻

Clarity

-
-

Shigaite and Beudantite Optic Character

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

Shigaite and Beudantite Transparency

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