Aquamarine It's closely related to the emerald. Some of the finest coming from Russia. The em-gravels of Sri Lanka contain aquamarine. Clear yellow beryl, such as occurs in Brazil, is sometimes called aquamarine chrysolite. When corundum presents the bluish tint of typical quamarine, it is often termed Oriental aquamarine. In the United States, aquamarines can be found at the summit of Mt. Antero in the Sawatch Range in central Colorado. In Brazil, there are mines in the states of Minas Gerais, Espírito Santo and Bahia. The biggest aquamarine ever mined was found at the city of Marambaia, Minas Gerais. It weighed over 110 kg, and its dimensions were 48.5 cm long and 42 cm in diame.