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Friedelite
Friedelite

Linarite
Linarite



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Friedelite
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Linarite

Friedelite and Linarite Optical Properties

Optical Properties

Luster

-
Sub-Adamantine, Vitreous

Pleochroism

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

Dispersion

0.040.05
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.627-1.6631.809-1.859
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.032-0.0350.050
0 0.296
👆🏻

Clarity

Translucent
Transparent

Friedelite and Linarite Optic Character

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

Friedelite and Linarite Transparency

Similar to their colors, Friedelite and Linarite 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, Friedelite is Translucent while Friedelite is Translucent in appearance.