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Nephrite
Nephrite

Periclase
Periclase



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Nephrite
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Periclase

Nephrite and Periclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
None
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
TransparentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
1.600-1.6271.735-1.738
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Isometric
1.8 Birefringence
0.027Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
TransparentWalter Schumann

Nephrite and Periclase Optic Character

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

Similar to their colors, Nephrite and Periclase 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.