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Neptunite and Rutilated Quartz Optical Properties


Rutilated Quartz and Neptunite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
x=yellow-orange   
Not Available   

Dispersion
Not Available   
0.01   
27

Transparency
Translucent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.692-1.734   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
0.0294-0.0452   
0.009   

Clarity
Translucent   
Transparent   

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Neptunite and Rutilated Quartz Optic Character

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

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Neptunite and Rutilated Quartz Transparency

Similar to their colors, Neptunite and Rutilated Quartz 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, Neptunite is Translucent while Neptunite is Translucent in appearance.

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