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Nephrite
Nephrite

Rhodochrosite
Rhodochrosite



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Nephrite
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Rhodochrosite

Nephrite and Rhodochrosite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
None
Weak
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
1.600-1.6271.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Trigonal
1.8 Birefringence
0.0270.208-0.220
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent to nearly opaque

Nephrite and Rhodochrosite Optic Character

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

Similar to their colors, Nephrite and Rhodochrosite 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.