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Beudantite
Beudantite

Sphene
Sphene



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Beudantite
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Sphene

Beudantite and Sphene Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

visible
-

Dispersion

0.030.05
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.9571.84-2.11
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.014-9999
0 0.296
👆🏻

Clarity

-
-

Beudantite and Sphene Optic Character

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

Similar to their colors, Beudantite and Sphene 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.