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Mottramite
Mottramite

Mother of Pearl
Mother of Pearl



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Mottramite
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Mother of Pearl

Mottramite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Greasy
Not Available
1.2 Pleochroism
Visible X=Y= canary yellow to greenish yellow
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004)
1.5 Refractive Index
2.1701.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.1500.16
Achroite
0 0.296
1.9 Clarity
Not Available
Gemmological Tables (2004)

Mottramite and Mother of Pearl Optic Character

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

Mottramite and Mother of Pearl Transparency

Similar to their colors, Mottramite 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, Mottramite is Not Available while Mottramite is Not Available in appearance.