×

Cryolite
Cryolite

Peridot
Peridot



ADD
Compare
X
Cryolite
X
Peridot

Cryolite and Peridot Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Greasy, Pearly
Vitreous, Greasy

Pleochroism

colorless.
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.338-1.3391.64-1.69
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0010.036
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Cryolite and Peridot Optic Character

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

Cryolite and Peridot Transparency

Similar to their colors, Cryolite and Peridot 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, Cryolite is while Cryolite is in appearance.