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Brazilianite
Brazilianite

Chrysoprase
Chrysoprase



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Brazilianite
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Chrysoprase

Brazilianite and Chrysoprase Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Very weakWalter Schumann
0.01
-
1.602-1.625
-
monoclinic
0.019-0.021
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous, Waxy
-
0.01
Translucent, Opaque, Translucent to nearly opaque
1.530-1.543
-
Trigonal
0.004
Translucent

Brazilianite and Chrysoprase Optic Character

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

Brazilianite and Chrysoprase Transparency

Similar to their colors, Brazilianite and Chrysoprase 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, Brazilianite is while Brazilianite is in appearance.