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Narsarsukite
Narsarsukite

Dumortierite
Dumortierite



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Narsarsukite
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Dumortierite

Narsarsukite and Dumortierite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent
Translucent, Translucent to opaque
1.5 Refractive Index
1.610-1.6471.669-1.723
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.0210.011-0.037
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Narsarsukite and Dumortierite Optic Character

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

Similar to their colors, Narsarsukite and Dumortierite 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.