×

Serpentine
Serpentine

Bertrandite
Bertrandite



ADD
Compare
X
Serpentine
X
Bertrandite

Serpentine and Bertrandite Optical Properties

Optical Properties

Luster

Vitreous, Greasy, Silky
Vitreous

Pleochroism

-
none.

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent
TransparentAnthony et al

Refractive Index

1.560-1.5711.583-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.008-0.014-9999
0 0.296
👆🏻

Clarity

Translucent
TransparentAnthony et al

Serpentine and Bertrandite Optic Character

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

Serpentine and Bertrandite Transparency

Similar to their colors, Serpentine 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, Serpentine is Translucent while Serpentine is Translucent in appearance.