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Aegirine and Cacoxenite Optical Properties


Cacoxenite and Aegirine Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Silky   

Pleochroism
X = emerald green   
visible: O = Pale yellow E = Canary yellow to yellow orange   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Not Available   

Refractive Index
1.720-1.778   
1.575-1.585   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
0.037-0.061   
Not Available   

Clarity
Gemmological Tables (2004) More from other references   
Not Available   

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Aegirine and Cacoxenite Optic Character

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

Similar to their colors, Aegirine and Cacoxenite 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, Aegirine is Gemmological Tables (2004) More from other references while Aegirine is Gemmological Tables (2004) More from other references in appearance.

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