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Cacoxenite and Almandine Optical Properties


Almandine and Cacoxenite Optical Properties


Optical Properties

Luster
Silky   
Greasy, Vitreous   

Pleochroism
visible: O = Pale yellow E = Canary yellow to yellow orange   
None   

Dispersion
Not Available   
0.03   
15

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

Refractive Index
1.575-1.585   
1.770-1.820   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
cubic   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

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<< Physical Properties

Cacoxenite and Almandine Optic Character

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

Similar to their colors, Cacoxenite and Almandine 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, Cacoxenite is Not Available while Cacoxenite is Not Available in appearance.

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