×

Linarite
Linarite

Friedelite
Friedelite



ADD
Compare
X
Linarite
X
Friedelite

Linarite and Friedelite Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
-

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
-

Dispersion

0.050.04
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.809-1.8591.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.0500.032-0.035
0 0.296
👆🏻

Clarity

Transparent
Translucent

Linarite and Friedelite Optic Character

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

Linarite and Friedelite Transparency

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.