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Tourmaline Bi Color
Tourmaline Bi Color

Nepheline
Nepheline



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Tourmaline Bi Color
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Nepheline

Tourmaline Bi Color and Nepheline Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous, Greasy
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Transparent, Translucent
1.5 Refractive Index
1.61-1.661.529-1.547
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Hexagonal
1.8 Birefringence
Not Available0.003-0.004
Achroite
0 0.296
1.9 Clarity
Not Available
Transparent

Tourmaline Bi Color and Nepheline Optic Character

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

Tourmaline Bi Color and Nepheline Transparency

Similar to their colors, Tourmaline Bi Color and Nepheline 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, Tourmaline Bi Color is Not Available while Tourmaline Bi Color is Not Available in appearance.