Morganite and Black Opal Optical Properties

Morganite

Black Opal

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

AbsentWalter Schumann

1.3 Dispersion

NANone

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.573-1.6001.370-1.470

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Morganite and Black Opal Optic Character

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

Similar to their colors, Morganite and Black Opal 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.