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Hiddenite
Hiddenite

Thaumasite
Thaumasite



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Hiddenite
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Thaumasite

Hiddenite and Thaumasite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Silky

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.657-1.6811.467-1.505
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.014-0.0160.038
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Hiddenite and Thaumasite Optic Character

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

Hiddenite and Thaumasite Transparency

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