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Gibbsite and Aquamarine Optical Properties


Aquamarine and Gibbsite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
colorless.   
Not Available   

Dispersion
Not Available   
0.01   
26

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
Not Available   
1.570-1.592   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
Not Available   
0.005-0.009   

Clarity
Not Available   
Transparent to translucent   

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<< Physical Properties

Gibbsite and Aquamarine Optic Character

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

Similar to their colors, Gibbsite and Aquamarine 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, Gibbsite is Not Available while Gibbsite is Not Available in appearance.

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Grey Gemstones


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