×

Sylvite
Sylvite

Gedrite
Gedrite



ADD
Compare
X
Sylvite
X
Gedrite

Sylvite and Gedrite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Visible in colored crystals
Weak to moderate

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.49031.625-1.718
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Sylvite and Gedrite Optic Character

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

Sylvite and Gedrite Transparency

Similar to their colors, Sylvite and Gedrite 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, Sylvite is while Sylvite is in appearance.