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Wavellite
Wavellite

Pumpellyite
Pumpellyite



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Wavellite
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Pumpellyite

Wavellite and Pumpellyite Optical Properties

Optical Properties

Luster

Vitreous, Resinous, Pearly
-

Pleochroism

Weak
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.518-1.5611.674-1.764
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.0250.014-0.016
0 0.296
👆🏻

Clarity

-
OpaqueUlrich Henn and Claudio C. Milisenda

Wavellite and Pumpellyite Optic Character

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

Similar to their colors, Wavellite and Pumpellyite 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.