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Verdite
Verdite

Danburite
Danburite



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Verdite
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Danburite

Verdite and Danburite Optical Properties

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Optical Properties

Luster

Vitreous, Silky
Vitreous, Greasy

Pleochroism

Extreme
Weak: pale yellow yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.5801.627-1.639
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Orthorhombic

Birefringence

-99990.006
0 0.296
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Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Verdite and Danburite Optic Character

Verdite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Verdite and Danburite 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 Verdite and Danburite 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. Danburite has Biaxial/+ character.

Verdite and Danburite Transparency

Similar to their colors, Verdite and Danburite 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, Verdite is Translucent while Verdite is Translucent in appearance.