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Narsarsukite
Narsarsukite

Fayalite
Fayalite



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Narsarsukite
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Fayalite

Narsarsukite and Fayalite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Resinous
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Faint
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
TransparentAnthony et al, Handbook of mineralogy (2001)
1.5 Refractive Index
1.610-1.6471.827-1.879
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.0210.042-0.051
Achroite
0 0.296
1.9 Clarity
Transparent
TransparentAnthony et al

Narsarsukite and Fayalite Optic Character

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

Similar to their colors, Narsarsukite and Fayalite 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.