×

Peridot
Peridot

Zincite
Zincite



ADD
Compare
X
Peridot
X
Zincite

Peridot and Zincite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Greasy
Subadamantine, Resinous

Pleochroism

Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli
Very weak

Dispersion

0.020.16
0.005 1
👆🏻

Transparency

Transparent
TransparentRobert C. Kammerling

Refractive Index

1.64-1.692.013-2.029
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.0360.016
0 0.296
👆🏻

Clarity

Transparent
TransparentRobert C. Kammerling

Peridot and Zincite Optic Character

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

Similar to their colors, Peridot and Zincite 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.