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Vivianite
Vivianite

Mother of Pearl
Mother of Pearl



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Vivianite
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Mother of Pearl

Vivianite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.560-1.6401.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.054-0.0750.16
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Vivianite and Mother of Pearl Optic Character

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

Vivianite and Mother of Pearl Transparency

Similar to their colors, Vivianite 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, Vivianite is Transparent while Vivianite is Transparent in appearance.