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Sardonyx
Sardonyx

Antigorite
Antigorite



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Sardonyx
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Antigorite

Sardonyx and Antigorite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Not Available
pale greenish yellow.
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.530-1.543
1.530-1.575
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Monoclinic Domatic H-M Symbol (m) Space Group: Cm
1.8 Birefringence
0.008-0.010
Not Available
1.9 Clarity
Translucent
Translucent

Sardonyx and Antigorite Optic Character

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

Similar to their colors, Sardonyx and Antigorite 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.