Beryl over , and its dimensions were long and in diameter. The largest cut aquamarine gem is the Dom Pedro aquamarine, now housed in the Smithsonian Institution's National Museum of Natural History. The ancient Romans believed that aquamarine would protect against any dangers while travelling at sea, and that it provided energy and cured laziness. Emerald is green beryl, colored by trace amounts of chromium and sometimes vanadium. Most emeralds are highly included, so their brittleness (resistance to breakage) is classified as generally poor. The modern English word "emerald" comes via Middle English "Emeraude", imported from modern French via Old French
Aquamarine Fukushima Aquamarine Fukushima The aquarium opened on 15 July 2000. The nickname "Aquamarine Fukushima" was selected in 1998 from a total of 4,722 applications. The 2011 Tōhoku earthquake and tsunami on 11 March 2011 resulted in power being cut off to the aquarium. Many fish died, but some marine mammals and sea birds were subsequently transferred to Kamogawa Sea World, to the south, Ueno Zoo in Tokyo, Tokyo Sea Life Park, Mito Sea Paradise, and New Enoshima Aquarium. Although the main building sustained only minor damage, outside pools were washed away, and there was major damage to the electrical system (causing