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Narsarsukite
Narsarsukite

Williamsite
Williamsite



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Narsarsukite
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Williamsite

Narsarsukite and Williamsite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Waxy, Silky, Resinous, Greasy
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TranslucentHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.5 Refractive Index
1.610-1.6471.530-1.575
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Not Available
1.8 Birefringence
0.021Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
TranslucentHerve Nicolas Lazzarelli

Narsarsukite and Williamsite Optic Character

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

Narsarsukite and Williamsite Transparency

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