Mother of Pearl and Pearl Optical Properties

Mother of Pearl

Pearl

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1 Optical Properties

1.1 Luster

Not Available

Pearly

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Gemmological Tables (2004)

Translucent, Opaque

1.5 Refractive Index

1.53-1.691.52-1.66

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Orthorhombic

1.8 Birefringence

0.160.156

0 0.296

1.9 Clarity

Gemmological Tables (2004)

Translucent

Mother of Pearl and Pearl Optic Character

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

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