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Benitoite
Benitoite

Mother of Pearl
Mother of Pearl



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Benitoite
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Mother of Pearl

Benitoite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
O = colorless; E = purple
Not Available
1.3 Dispersion
0.04NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Gemmological Tables (2004)
1.5 Refractive Index
1.757-1.8041.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
0.0470.16
Achroite
0 0.296
1.9 Clarity
Transparent
Gemmological Tables (2004)

Benitoite and Mother of Pearl Optic Character

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

Benitoite and Mother of Pearl Transparency

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