Aquamarine and Antigorite Optical Properties

Aquamarine

Antigorite

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1 Optical Properties

1.1 Luster

Vitreous

Waxy, Silky, Resinous, Greasy

1.2 Pleochroism

Not Available

pale greenish yellow.

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.570-1.5921.530-1.575

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Monoclinic Domatic H-M Symbol (m) Space Group: Cm

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent to translucent

Translucent

Aquamarine and Antigorite Optic Character

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

Similar to their colors, Aquamarine and Antigorite 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.