×

Peridot
Peridot

Cuprite
Cuprite



ADD
Compare
X
Peridot
X
Cuprite

Peridot and Cuprite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Greasy
Adamantine

Pleochroism

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

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

Transparent
TranslucentWalter Schumann

Refractive Index

1.64-1.692.849
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
cubic

Birefringence

0.036-9999
0 0.296
👆🏻

Clarity

Transparent
TranslucentWalter Schumann

Peridot and Cuprite Optic Character

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

Peridot and Cuprite Transparency

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