Morganite and Dioptase Optical Properties

Morganite

Dioptase

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Distinct: pale pink bluish-pinkHerve Nicolas Lazzarelli

Weak; dark emerald green

1.3 Dispersion

NA0.04

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

TranslucentHerve Nicolas Lazzarelli

1.5 Refractive Index

1.573-1.6001.644-1.720

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Trigonal

1.8 Birefringence

0.005-0.0090.051-0.053

0 0.296

1.9 Clarity

Transparent to translucent

TranslucentHerve Nicolas Lazzarelli

Morganite and Dioptase Optic Character

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

Similar to their colors, Morganite and Dioptase 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.