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Sardonyx
Sardonyx

Tantalite
Tantalite



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Sardonyx and Tantalite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Resinous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.530-1.543
2.190-2.457
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.008-0.010
0.083
1.9 Clarity
Translucent
TransparentWalter Schumann

Sardonyx and Tantalite Optic Character

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

Similar to their colors, Sardonyx and Tantalite 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.