Aquamarine and Omphacite Optical Properties

Aquamarine

Omphacite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Weak: colorless -- very pale green -- very pale green

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

TranslucentAnthony et al, Handbook of mineralogy (2001)

1.5 Refractive Index

1.570-1.5921.662-1.723

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Not Available

1.8 Birefringence

0.005-0.009Not Available

0 0.296

1.9 Clarity

Transparent to translucent

TranslucentAnthony et al

Aquamarine and Omphacite Optic Character

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

Similar to their colors, Aquamarine and Omphacite 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.