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Sardonyx
Sardonyx

Pargasite
Pargasite



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Sardonyx
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Pargasite

Sardonyx and Pargasite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.530-1.5431.613-1.663
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
0.008-0.0100.020
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Sardonyx and Pargasite Optic Character

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

Sardonyx and Pargasite Transparency

Similar to their colors, Sardonyx 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, Sardonyx is Translucent while Sardonyx is Translucent in appearance.