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Linarite
Linarite

Erythrite
Erythrite



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Linarite
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Erythrite

Linarite and Erythrite Optical Properties

Optical Properties

Luster

Sub-Adamantine, Vitreous
Subadamantine, Pearly

Pleochroism

X = pale blue; Y = blue; Z = Prussian blue
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red

Dispersion

0.050.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.809-1.8591.626-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.050-9999
0 0.296
👆🏻

Clarity

Transparent
-

Linarite and Erythrite Optic Character

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

Similar to their colors, Linarite and Erythrite 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.