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
Emerald Lingam Lord Budha (Devanagari: बुध ) (Tamil: புதன்) is considered as the god of the planet Mercury. According to Hindu mythology Lord Budha is considered as one among the nine Navagrahas. He represents green color and gemstone emerald. He is also the god of merchandise and protector of merchants. He is of Rajas Guna and represents Communication. as well as the Navagraha. Puranas recommend to worship the gemstone in the form of Siva Lingam. The kings and emperors considered that the statues carved using emerald stones have divine power. They also considered that the emerald stone is free from faults (doshas).