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Narsarsukite
Narsarsukite

Poldervaartite
Poldervaartite



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Narsarsukite
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Poldervaartite

Narsarsukite and Poldervaartite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Weak: colorless light gray bluish grayAnthony et al
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Transparent
1.5 Refractive Index
1.610-1.6471.634-1.656
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
Transparent

Narsarsukite and Poldervaartite Optic Character

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

Similar to their colors, Narsarsukite and Poldervaartite 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.