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Almandine
Almandine

Mother of Pearl
Mother of Pearl



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Almandine
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Mother of Pearl

Almandine and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Greasy, Vitreous
Not Available
1.2 Pleochroism
None
Not Available
1.3 Dispersion
0.03NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
1.770-1.8201.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Not Available
1.8 Birefringence
Not Available0.16
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemmological Tables (2004)

Almandine and Mother of Pearl Optic Character

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

Almandine and Mother of Pearl Transparency

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