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Sardonyx
Sardonyx

Inderite
Inderite



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Sardonyx
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Inderite

Sardonyx and Inderite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Gemmological Tables (2004)
1.5 Refractive Index
1.530-1.5431.488-1.505
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
1.8 Birefringence
0.008-0.0100.017
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Sardonyx and Inderite Optic Character

Sardonyx and Inderite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sardonyx and Inderite 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 Inderite 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. Inderite has Biaxial/+ character.

Sardonyx and Inderite Transparency

Similar to their colors, Sardonyx and Inderite 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.