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Narsarsukite and Pyrope Spessartine Optical Properties


Pyrope Spessartine and Narsarsukite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow   
Not Available   

Dispersion
Not Available   
0.02   
16

Transparency
Transparent, Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.610-1.647   
1.730-1.820   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Not Available   

Birefringence
0.021   
0.027   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Narsarsukite and Pyrope Spessartine Optic Character

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

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Narsarsukite and Pyrope Spessartine Transparency

Similar to their colors, Narsarsukite and Pyrope Spessartine 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.

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