Blue, Green Aquamarine - 12.33 ct - Antwerp Laboratory...

atural aquamarine 12.33 ct with AGLT certificate. Species: Natural Beryllium Variety: Aquamarine Cut type: Cushion cut, mixed cut Measurements: 15.27x13.81x9.86 Carats: 12.33 Color: light blue with greenish hues Transparency: Transparent Heating: There is no evidence Additional comments: Aquamarine is commonly heated to improve its color, but there are no scientific methods to prove whether this gem has been heat-treated or not Technical stone data: Chemical Composition Be3Al2(SiO3)6 Crystal System Hexagonal Mohs Hardness 7.5 - 8.0 Specific Gravity 2.62 - 2.80 g/cm3 Optical Character Uniaxial- Refractive Index 1.560 - 1.602 Birefringence 0.004 - 0.007

Stima:€1,900

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