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Hiddenite
Hiddenite

Brazilianite
Brazilianite



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Hiddenite
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Brazilianite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
0.02
Transparent
1.657-1.681
-
monoclinic
0.014-0.016
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
Very weakWalter Schumann
0.01
-
1.602-1.625
-
monoclinic
0.019-0.021
TransparentUlrich Henn and Claudio C. Milisenda