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Hibonite
Hibonite

Mother of Pearl
Mother of Pearl



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Hibonite
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Mother of Pearl

Hibonite and Mother of Pearl Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
O = brownish gray; E = gray
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Handbook of mineralogy (2001)
Gemmological Tables (2004)
1.5 Refractive Index
1.79-1.8071.53-1.69
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
Not Available
1.8 Birefringence
Not Available0.16
Achroite
0 0.296
1.9 Clarity
Handbook of mineralogy (2001)
Gemmological Tables (2004)

Hibonite and Mother of Pearl Optic Character

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

Hibonite and Mother of Pearl Transparency

Similar to their colors, Hibonite 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, Hibonite is Handbook of mineralogy (2001) while Hibonite is Handbook of mineralogy (2001) in appearance.