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Narsarsukite
Narsarsukite

Rubellite
Rubellite



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Narsarsukite
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Rubellite

Narsarsukite and Rubellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Translucent
1.5 Refractive Index
1.610-1.6471.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.0210.014-0.040
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Narsarsukite and Rubellite Optic Character

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

Narsarsukite and Rubellite Transparency

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