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Euclase and Boleite Optical Properties


Boleite and Euclase Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Pearly  

Pleochroism
Weak: colorless-(greenish) yellow  
-  

Dispersion
0.02  
99+
0.07  
18

Transparency
-  
Transparent  

Refractive Index
1.650-1.677  
2.05  

Optic Character
-  
-  

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a  
Isometric  

Birefringence
0.019-0.025  
0.010  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Euclase and Boleite Optic Character

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

Similar to their colors, Euclase and Boleite 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, Euclase is while Euclase is in appearance.

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