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White topaz
White topaz

Neptunite
Neptunite



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White topaz
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Neptunite

White topaz and Neptunite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
x=yellow-orange
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
Not Available1.692-1.734
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
monoclinic
1.8 Birefringence
Not Available0.0294-0.0452
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

White topaz and Neptunite Optic Character

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

White topaz and Neptunite Transparency

Similar to their colors, White topaz and Neptunite 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, White topaz is Not Available while White topaz is Not Available in appearance.