Aquamarine and Chlorastrolite Optical Properties

Aquamarine

Chlorastrolite

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1 Optical Properties

1.1 Luster

Vitreous

Chatoyant

1.2 Pleochroism

Not Available

NilArthur Thomas

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gems

1.5 Refractive Index

1.570-1.5921.7

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.0090.010

0 0.296

1.9 Clarity

Transparent to translucent

Gems

Aquamarine and Chlorastrolite Optic Character

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

Similar to their colors, Aquamarine and Chlorastrolite 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.