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Tugtupite
Tugtupite

Beryllonite
Beryllonite



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Tugtupite
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Beryllonite

Tugtupite and Beryllonite Optical Properties

Optical Properties

Luster

-
Vitreous, Adamantine, Pearly

Pleochroism

ModerateArthur Thomas
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

OpaqueHerve Nicolas Lazzarelli
-

Refractive Index

1.494-1.5041.552-1.562
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.0080.009
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
TransparentUlrich Henn and Claudio C. Milisenda

Tugtupite and Beryllonite Optic Character

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

Tugtupite and Beryllonite Transparency

Similar to their colors, Tugtupite and Beryllonite 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, Tugtupite is OpaqueHerve Nicolas Lazzarelli while Tugtupite is OpaqueHerve Nicolas Lazzarelli in appearance.