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Rubellite
Rubellite

Sardonyx
Sardonyx



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Rubellite
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Sardonyx

Rubellite and Sardonyx Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent
1.5 Refractive Index
1.614-1.6661.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.014-0.0400.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Rubellite and Sardonyx Optic Character

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

Rubellite and Sardonyx Transparency

Similar to their colors, Rubellite 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, Rubellite is Transparent and Translucent while Rubellite is Transparent and Translucent in appearance.