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Nephrite
Nephrite

Anorthoclase
Anorthoclase



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Nephrite
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Anorthoclase

Nephrite and Anorthoclase Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous, Pearly
1.2 Pleochroism
None
WeakMichael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Translucent
1.5 Refractive Index
1.600-1.6271.518-1.534
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Triclinic Pinacoidal H-M Symbol ( 1) Space Group: C1
1.8 Birefringence
0.0270.006-0.008
Achroite
0 0.296
1.9 Clarity
Translucent
Translucent

Nephrite and Anorthoclase Optic Character

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

Similar to their colors, Nephrite and Anorthoclase 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.