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Linarite
Linarite

Feldspar
Feldspar



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Linarite
X
Feldspar

Linarite and Feldspar Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Sub-Adamantine, Vitreous
X = pale blue; Y = blue; Z = Prussian blue
0.05
Transparent
1.809-1.859
-
monoclinic
0.050
Transparent
 
Vitreous
None
0.01
Transparent, Translucent
1.518-1.570
-
Triclinic or monoclinic
0.008-0.010
Transparent

Linarite and Feldspar Optic Character

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

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