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Thaumasite
Thaumasite

Wavellite
Wavellite



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Thaumasite
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Wavellite

Thaumasite and Wavellite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Resinous, Pearly

Pleochroism

-
Weak

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.467-1.5051.518-1.561
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Orthorhombic

Birefringence

0.0380.025
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Thaumasite and Wavellite Optic Character

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

Thaumasite and Wavellite Transparency

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