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Pargasite
Pargasite

Linarite
Linarite



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Pargasite
X
Linarite

Pargasite and Linarite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.02
Transparent
1.613-1.663
-
monoclinic
0.020
Transparent
 
Sub-Adamantine, Vitreous
X = pale blue; Y = blue; Z = Prussian blue
0.05
Transparent
1.809-1.859
-
monoclinic
0.050
Transparent

Pargasite and Linarite Optic Character

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

Pargasite and Linarite Transparency

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