Aquamarine and Rubellite Optical Properties

Aquamarine

Rubellite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

Strong: dark red pinkish-redHerve Nicolas Lazzarelli

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.570-1.5921.614-1.666

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.0090.014-0.040

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Aquamarine and Rubellite Optic Character

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

Similar to their colors, Aquamarine and Rubellite 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, Aquamarine is Translucent, Transparent and Transparent to translucent while Aquamarine is Translucent, Transparent and Transparent to translucent in appearance.