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Nephrite
Nephrite

Arfvedsonite
Arfvedsonite



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Nephrite
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Arfvedsonite

Nephrite and Arfvedsonite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
None
Strong: Blue-greens
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.600-1.6271.652-1.699
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.027Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Nephrite and Arfvedsonite Optic Character

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

Nephrite and Arfvedsonite Transparency

Similar to their colors, Nephrite and Arfvedsonite 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, Nephrite is Translucent while Nephrite is Translucent in appearance.