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Nepheline
Nepheline

Rhodochrosite
Rhodochrosite



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Nepheline
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Rhodochrosite

Nepheline and Rhodochrosite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Vitreous
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent, Opaque, Transparent to nearly opaque
1.5 Refractive Index
1.529-1.5471.60
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Trigonal
1.8 Birefringence
0.003-0.0040.208-0.220
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent to nearly opaque

Nepheline and Rhodochrosite Optic Character

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

Nepheline and Rhodochrosite Transparency

Similar to their colors, Nepheline 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, Nepheline is Translucent and Transparent while Nepheline is Translucent and Transparent in appearance.