Aquamarine and Rhyolite Optical Properties

Aquamarine

Rhyolite

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Optical Properties

Luster

Vitreous

Pleochroism

Dispersion

0.010.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.570-1.592-9999

1 3.25

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Optic Character

Crystal System

Hexagonal

Trigonal

Birefringence

0.005-0.009-9999

0 0.296

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Clarity

Transparent to translucent

Aquamarine and Rhyolite Optic Character

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

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