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Neptunite
Neptunite

Grossular Garnet
Grossular Garnet



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Neptunite
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Grossular Garnet

Neptunite and Grossular Garnet Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Adamantine
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
1.692-1.7341.738-1.745
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.0294-0.0452Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Neptunite and Grossular Garnet Optic Character

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

Similar to their colors, Neptunite and Grossular Garnet 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.