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Akoya pearl
Akoya pearl

Mottramite
Mottramite



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Akoya pearl
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Mottramite

Akoya pearl and Mottramite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Greasy
1.2 Pleochroism
Not Available
Visible X=Y= canary yellow to greenish yellow
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Not Available
1.5 Refractive Index
Not Available2.170
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.150
Achroite
0 0.296
1.9 Clarity
Not Available
Not Available

Akoya pearl and Mottramite Optic Character

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

Akoya pearl and Mottramite Transparency

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