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Nacre
Nacre

Rubellite
Rubellite



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Nacre
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Rubellite

Nacre and Rubellite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Not Available
1.2 Pleochroism
Not Available
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
Not Available1.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
Not Available0.014-0.040
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Nacre and Rubellite Optic Character

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

Nacre and Rubellite Transparency

Similar to their colors, Nacre 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, Nacre is Not Available while Nacre is Not Available in appearance.