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Wavellite
Wavellite

Tugtupite
Tugtupite



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Wavellite
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Tugtupite

Wavellite and Tugtupite Optical Properties

Optical Properties

Luster

Vitreous, Resinous, Pearly
-

Pleochroism

Weak
ModerateArthur Thomas

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.518-1.5611.494-1.504
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

0.0250.008
0 0.296
👆🏻

Clarity

-
OpaqueHerve Nicolas Lazzarelli

Wavellite and Tugtupite Optic Character

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

Wavellite and Tugtupite Transparency

Similar to their colors, Wavellite and Tugtupite 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, Wavellite is while Wavellite is in appearance.