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Brazilianite
Brazilianite

Trapiche emerald
Trapiche emerald



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Trapiche emerald

Brazilianite and Trapiche emerald Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
Very weakWalter Schumann
Not Available
1.3 Dispersion
Albite Optical ..
0.01
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Gemmological Tables (2004) More from other references
Not Available
1.5 Refractive Index
1.602-1.625
Not Available
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.019-0.021
Not Available
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Not Available

Brazilianite and Trapiche emerald Optic Character

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

Similar to their colors, Brazilianite and Trapiche emerald 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 Gemmological Tables (2004) More from other references while Brazilianite is Gemmological Tables (2004) More from other references in appearance.