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Pargasite
Pargasite

Seraphinite
Seraphinite



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Pargasite
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Seraphinite

Pargasite and Seraphinite Optical Properties

Optical Properties

Luster

Vitreous
Pearly, Greasy

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.613-1.6631.571-1.597
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

monoclinic
-

Birefringence

0.020-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pargasite and Seraphinite Optic Character

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

Pargasite and Seraphinite Transparency

Similar to their colors, Pargasite and Seraphinite 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 Transparent while Pargasite is Transparent in appearance.