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Pargasite
Pargasite

Moonstone
Moonstone



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Pargasite
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Moonstone

Pargasite and Moonstone Optical Properties

Optical Properties

Luster

Vitreous
Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Transparent to translucent

Refractive Index

1.613-1.6631.518-1.527
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0200.006-0.007
0 0.296
👆🏻

Clarity

Transparent
Transparent

Pargasite and Moonstone Optic Character

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

Similar to their colors, Pargasite and Moonstone 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.