Home
Gemstones


Narsarsukite and Beryllonite Optical Properties


Beryllonite and Narsarsukite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Adamantine, Pearly   

Pleochroism
Weak; O = colorless to yellow; E = colorless to honey-yellow   
AbsentWalter Schumann   

Dispersion
Not Available   
0.01   
29

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

Refractive Index
1.610-1.647   
1.552-1.562   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
monoclinic   

Birefringence
0.021   
0.009   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Narsarsukite and Beryllonite Optic Character

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

Compare Green Gemstones

Narsarsukite and Beryllonite Transparency

Similar to their colors, Narsarsukite and Beryllonite 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.

Green Gemstones

Green Gemstones


Compare Green Gemstones