Acquamarina, Acvamarin, Aguamarina, Água-marinha, Aigue-marine, Akuamarin, Akvamariin, Akvamariini, Akvamarin, Akvamarīn, Akvamarīns, Akvamarinas, Akwamaryn, Aquamarijn, Aquamarin, Ngoc berin, 海藍寶, Аквамарин, אקוומרין,
アクアマリン
silicates
Crystal system: hexago 7.5 - 8 2.63 - 2.92 1.564 - 1.596
imperfect
Colors: blue, greenish blue in variations, caused by traces of iron (Fe3+) which partially replaces the aluminium atoms in the unit cell. The natural greenish-blue color can be changed into blue by heating.
Luster: vitreous - resinous light blue - blue
Larges 110 kg (Marambaia / Minas Gerais / Brazil, in 1910)
Large "Dom Pedro", a 26 kg chunk which was faceted in 1992 in Idar-Oberstein (source: www.gemstone.org)
worldwide 1892 from the Latin word "aqua marina" (water of the sea)
