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Herderite
Herderite

Nephrite
Nephrite



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Herderite
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Nephrite

Herderite and Nephrite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Greasy
1.2 Pleochroism
Not Available
None
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Translucent
1.5 Refractive Index
1.587-1.6421.600-1.627
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
monoclinic
monoclinic
1.8 Birefringence
0.028-0.0320.027
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Herderite and Nephrite Optic Character

Herderite and Nephrite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Herderite and Nephrite 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 Herderite and Nephrite 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. Herderite has Biaxial/+ character.

Herderite and Nephrite Transparency

Similar to their colors, Herderite and Nephrite 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, Herderite is Transparent while Herderite is Transparent in appearance.