×

Zincite
Zincite

Friedelite
Friedelite



ADD
Compare
X
Zincite
X
Friedelite

Zincite and Friedelite Optical Properties

Optical Properties

Luster

Subadamantine, Resinous
-

Pleochroism

Very weak
-

Dispersion

0.160.04
0.005 1
👆🏻

Transparency

TransparentRobert C. Kammerling
Translucent

Refractive Index

2.013-2.0291.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

0.0160.032-0.035
0 0.296
👆🏻

Clarity

TransparentRobert C. Kammerling
Translucent

Zincite and Friedelite Optic Character

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

Zincite and Friedelite Transparency

Similar to their colors, Zincite and Friedelite 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, Zincite is TransparentRobert C. Kammerling while Zincite is TransparentRobert C. Kammerling in appearance.