Aquamarine and Tugtupite Optical Properties

Aquamarine

Tugtupite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

Not Available

ModerateArthur Thomas

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

OpaqueHerve Nicolas Lazzarelli

1.5 Refractive Index

1.570-1.5921.494-1.504

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

tetragonal

1.8 Birefringence

0.005-0.0090.008

0 0.296

1.9 Clarity

Transparent to translucent

OpaqueHerve Nicolas Lazzarelli

Aquamarine and Tugtupite Optic Character

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

Similar to their colors, Aquamarine and Tugtupite 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.