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Grandidierite
Grandidierite

Mother of Pearl
Mother of Pearl



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Grandidierite
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Mother of Pearl

Grandidierite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Pearly
Not Available
1.2 Pleochroism
visible
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.578-1.6391.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.037-0.0390.16
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)

Grandidierite and Mother of Pearl Optic Character

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

Grandidierite and Mother of Pearl Transparency

Similar to their colors, Grandidierite 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, Grandidierite is Gemmological Tables (2004) More from other references while Grandidierite is Gemmological Tables (2004) More from other references in appearance.