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Dallasite and Augite Optical Properties


Augite and Dallasite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Resinous   

Pleochroism
Not Available   
Pale green   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
1.540   
1.671-1.774   

Optic Character
Not Available   
Not Available   

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

Birefringence
0.008-0.010   
Not Available   

Clarity
Not Available   
Transparent   

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Dallasite and Augite Optic Character

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

Similar to their colors, Dallasite and Augite 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, Dallasite is Not Available while Dallasite is Not Available in appearance.

Green Gemstones

Green Gemstones


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