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Augite and Pleonaste Optical Properties


Pleonaste and Augite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Not Available   

Pleochroism
Pale green   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Gemmological Tables (2004)   

Refractive Index
1.671-1.774   
1.780   

Optic Character
Not Available   
Not Available   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Gemmological Tables (2004)   

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Augite and Pleonaste Optic Character

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

Similar to their colors, Augite and Pleonaste 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, Augite is Translucent and Transparent while Augite is Translucent and Transparent in appearance.

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