Morganite and Anhydrite Optical Properties

Morganite

Anhydrite

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1 Optical Properties

1.1 Luster

Vitreous

Pearly, Greasy

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

For violet varieties

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.573-1.6001.570-1.614

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Orthorhombic

1.8 Birefringence

0.005-0.0090.042-0.044

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Morganite and Anhydrite Optic Character

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

Similar to their colors, Morganite and Anhydrite 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.