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Nepouite
Nepouite

Williamsite
Williamsite



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Nepouite
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Williamsite

Nepouite and Williamsite Optical Properties

1 Optical Properties
1.1 Luster
Waxy, Pearly
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Weak
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.600-1.6301.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Not Available
TranslucentHerve Nicolas Lazzarelli

Nepouite and Williamsite Optic Character

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

Nepouite and Williamsite Transparency

Similar to their colors, Nepouite and Williamsite 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, Nepouite is Not Available while Nepouite is Not Available in appearance.