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Rubellite
Rubellite

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Zincite



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Rubellite and Zincite Optical Properties

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1 Optical Properties
1.1 Luster
Not Available
Subadamantine, Resinous
1.2 Pleochroism
Strong: dark red pinkish-redHerve Nicolas Lazzarelli
Very weak
1.3 Dispersion
Albite Optical ..
0.02
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
TransparentRobert C. Kammerling, The Journal of Gemmology (1995) More from other references
1.5 Refractive Index
1.614-1.666
2.013-2.029
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
0.014-0.040
0.016
1.9 Clarity
Transparent
TransparentRobert C. Kammerling

Rubellite and Zincite Optic Character

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

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