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Nepheline
Nepheline

Riesling Beryl
Riesling Beryl



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Nepheline
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Riesling Beryl

Nepheline and Riesling Beryl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Greasy
Not Available
1.2 Pleochroism
Not Available
Strongly dichroicMartin H. Read
1.3 Dispersion
NA0.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Not Available
1.5 Refractive Index
1.529-1.5471.59
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.003-0.0040.004-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Not Available

Nepheline and Riesling Beryl Optic Character

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

Similar to their colors, Nepheline and Riesling Beryl 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.