Morganite and Hibonite Optical Properties

Morganite

Hibonite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

O = brownish gray; E = gray

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Handbook of mineralogy (2001)

1.5 Refractive Index

1.573-1.6001.79-1.807

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent to translucent

Handbook of mineralogy (2001)

Morganite and Hibonite Optic Character

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

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Morganite and Hibonite Transparency

Similar to their colors, Morganite and Hibonite 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, Morganite is Translucent, Transparent and Transparent to translucent while Morganite is Translucent, Transparent and Transparent to translucent in appearance.