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Pleonaste
Pleonaste

Sardonyx
Sardonyx



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Pleonaste
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Sardonyx

Pleonaste and Sardonyx Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.3 Transparency
Gemmological Tables (2004)
Translucent
1.6 Refractive Index
1.7801.530-1.543
Agate Opal
1 3.25
1.7 Optic Character
Not Available
Not Available
1.8 Crystal System
Not Available
Not Available
1.9 Birefringence
Not Available0.008-0.010
Achroite
0 0.296
1.10 Clarity
Gemmological Tables (2004)
Translucent

Pleonaste and Sardonyx Optic Character

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

Pleonaste and Sardonyx Transparency

Similar to their colors, Pleonaste and Sardonyx 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, Pleonaste is Gemmological Tables (2004) while Pleonaste is Gemmological Tables (2004) in appearance.