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Nephrite
Nephrite

Ferro-axinite Axinite-Fe
Ferro-axinite Axinite-Fe



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Nephrite
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Ferro-axinite Axinite-Fe

Nephrite and Ferro-axinite Axinite-Fe Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

None
Colorless

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.600-1.6271.674-1.693
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: P1

Birefringence

0.027-9999
0 0.296
👆🏻

Clarity

Translucent
-

Nephrite and Ferro-axinite Axinite-Fe Optic Character

Nephrite and Ferro-axinite Axinite-Fe optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Nephrite and Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe Transparency

Similar to their colors, Nephrite and Ferro-axinite Axinite-Fe 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.