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Beudantite
Beudantite

Ettringite
Ettringite



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Beudantite
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Ettringite

Beudantite and Ettringite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

visible
-

Dispersion

0.030.04
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.9571.470-1.491
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Trigonal

Birefringence

0.0140.021
0 0.296
👆🏻

Clarity

-
Transparent

Beudantite and Ettringite Optic Character

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

Similar to their colors, Beudantite and Ettringite 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.