Morganite and Anthophyllite Optical Properties

Morganite

Anthophyllite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Pearly

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

When Fe-rich

1.3 Dispersion

NANA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.573-1.6001.603-1.690

1 3.25

1.6 Optic Character

Not Available

Biaxial/+

1.7 Crystal System

Hexagonal

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Morganite and Anthophyllite Optic Character

Morganite and Anthophyllite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Morganite and Anthophyllite 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 Anthophyllite 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. Anthophyllite has Biaxial/+ character.

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Morganite and Anthophyllite Transparency

Similar to their colors, Morganite and Anthophyllite 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.