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Neptunite
Neptunite

Ekanite
Ekanite



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Neptunite
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Ekanite

Neptunite and Ekanite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
x=yellow-orange
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent
1.5 Refractive Index
1.692-1.7341.593-1.596
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422
1.8 Birefringence
0.0294-0.04520.001
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Neptunite and Ekanite Optic Character

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

Neptunite and Ekanite Transparency

Similar to their colors, Neptunite and Ekanite 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.