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Cacoxenite and Friedelite Optical Properties


Friedelite and Cacoxenite Optical Properties


Optical Properties

Luster
Silky   
Not Available   

Pleochroism
visible: O = Pale yellow E = Canary yellow to yellow orange   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Translucent   

Refractive Index
1.575-1.585   
1.627-1.663   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m   

Birefringence
Not Available   
0.032-0.035   

Clarity
Not Available   
Translucent   

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Cacoxenite and Friedelite Optic Character

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

Similar to their colors, Cacoxenite and Friedelite 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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Green Gemstones


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