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Aquamarine and Grandidierite Optical Properties


Grandidierite and Aquamarine Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Not Available   
visible   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.570-1.592   
1.578-1.639   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.005-0.009   
0.037-0.039   

Clarity
Transparent to translucent   
Gemmological Tables (2004) More from other references   

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Aquamarine and Grandidierite Optic Character

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

Similar to their colors, Aquamarine and Grandidierite 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.

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Gems for Aquarius


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