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Nephrite
Nephrite

Hemimorphite
Hemimorphite



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Nephrite
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Hemimorphite

Nephrite and Hemimorphite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Adamantine, Silky
1.2 Pleochroism
None
AbsentWalter Schumann
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.600-1.6271.614-1.636
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Orthorhombic
1.8 Birefringence
0.0270.022
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Nephrite and Hemimorphite Optic Character

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

Similar to their colors, Nephrite and Hemimorphite 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.