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Danburite
Danburite

Linarite
Linarite



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Danburite
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Linarite

Danburite and Linarite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Sub-Adamantine, Vitreous

Pleochroism

Weak: pale yellow yellow
X = pale blue; Y = blue; Z = Prussian blue

Dispersion

0.020.05
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.627-1.6391.809-1.859
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

Orthorhombic
monoclinic

Birefringence

0.0060.050
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Danburite and Linarite Optic Character

Danburite and Linarite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Danburite and Linarite Transparency

Similar to their colors, Danburite 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, Danburite is while Danburite is in appearance.