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Narsarsukite
Narsarsukite

Danburite
Danburite



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Narsarsukite and Danburite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Vitreous, Greasy
1.2 Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow
Weak: pale yellow yellow
1.3 Dispersion
Albite Optical ..
Not Available
Rank: N/A (Overall)
0.02
Rank: 22 (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.610-1.647
1.627-1.639
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
tetragonal
Orthorhombic
1.8 Birefringence
0.021
0.006
1.9 Clarity
Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Narsarsukite and Danburite Optic Character

Narsarsukite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Narsarsukite and Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Narsarsukite and Danburite Transparency

Similar to their colors, Narsarsukite and Danburite 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.