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Mother of Pearl
Mother of Pearl

Thulite
Thulite



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Mother of Pearl
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Thulite

Mother of Pearl and Thulite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Present
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.
1.5 Refractive Index
1.53-1.691.695
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
0.160.006-0.018
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
OpaqueHerve Nicolas Lazzarelli

Mother of Pearl and Thulite Optic Character

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

Mother of Pearl and Thulite Transparency

Similar to their colors, Mother of Pearl and Thulite 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.