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Aquamarine
Aquamarine

Neptunite
Neptunite



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Aquamarine
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Neptunite

Aquamarine and Neptunite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
x=yellow-orange
1.3 Dispersion
0.01NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent
1.5 Refractive Index
1.570-1.5921.692-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.005-0.0090.0294-0.0452
Achroite
0 0.296
1.9 Clarity
Transparent to translucent
Translucent

Aquamarine and Neptunite Optic Character

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

Aquamarine and Neptunite Transparency

Similar to their colors, Aquamarine and Neptunite 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, Aquamarine is Translucent, Transparent and Transparent to translucent while Aquamarine is Translucent, Transparent and Transparent to translucent in appearance.