×

Viridine
Viridine

Bertrandite
Bertrandite



ADD
Compare
X
Viridine
X
Bertrandite

Viridine and Bertrandite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
none.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
TransparentAnthony et al

Refractive Index

1.629-1.6601.583-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

Birefringence

0.007-0.013-9999
0 0.296
👆🏻

Clarity

Transparent
TransparentAnthony et al

Viridine and Bertrandite Optic Character

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

Viridine and Bertrandite Transparency

Similar to their colors, Viridine and Bertrandite 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, Viridine is Transparent and Translucent while Viridine is Transparent and Translucent in appearance.