Aquamarine and Pezzottaite Optical Properties

Aquamarine

Pezzottaite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Moderate dichroic

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent

1.5 Refractive Index

1.570-1.5921.598-1.620

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

1.8 Birefringence

0.005-0.0090.008-0.011

0 0.296

1.9 Clarity

Transparent to translucent

Transparent

Aquamarine and Pezzottaite Optic Character

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

Similar to their colors, Aquamarine and Pezzottaite 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.