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Phenakite and Mother of Pearl Optical Properties


Mother of Pearl and Phenakite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli   
Not Available   

Dispersion
0.02   
24
Not Available   

Transparency
Gemmological Tables (2004) More from other references   
Gemmological Tables (2004)   

Refractive Index
1.650-1.695   
1.53-1.69   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
0.016   
0.16   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
Gemmological Tables (2004)   

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Phenakite and Mother of Pearl Optic Character

Phenakite and Mother of Pearl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Phenakite and Mother of Pearl 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 Phenakite and Mother of Pearl 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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Phenakite and Mother of Pearl Transparency

Similar to their colors, Phenakite and Mother of Pearl 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, Phenakite is Gemmological Tables (2004) More from other references while Phenakite is Gemmological Tables (2004) More from other references in appearance.

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