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Charlesite
Charlesite

Pargasite
Pargasite



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Charlesite
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Pargasite

Charlesite and Pargasite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Nearly colorless to pale golden yellow
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.4921.613-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.020
0 0.296
👆🏻

Clarity

-
Transparent

Charlesite and Pargasite Optic Character

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

Charlesite and Pargasite Transparency

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