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Hercynite
Hercynite

Narsarsukite
Narsarsukite



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Hercynite
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Narsarsukite

Hercynite and Narsarsukite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Pearly
1.2 Pleochroism
Not Available
Weak; O = colorless to yellow; E = colorless to honey-yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent
1.5 Refractive Index
1.80-1.831.610-1.647
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
tetragonal
1.8 Birefringence
Not Available0.021
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Hercynite and Narsarsukite Optic Character

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

Hercynite and Narsarsukite Transparency

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