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Mother of Pearl and Phlogopite Optical Properties


Phlogopite and Mother of Pearl Optical Properties


Optical Properties

Luster
Not Available   
Pearly   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gemmological Tables (2004)   
Not Available   

Refractive Index
1.53-1.69   
1.530-1.573   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
0.16   
0.0280-0.0450   

Clarity
Gemmological Tables (2004)   
Not Available   

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<< Physical Properties

Mother of Pearl and Phlogopite Optic Character

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

Similar to their colors, Mother of Pearl and Phlogopite 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, Mother of Pearl is Gemmological Tables (2004) while Mother of Pearl is Gemmological Tables (2004) in appearance.

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