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
GemStone IV all players to begin anew. "GemStone III" evolved into "GemStone IV" in November 2003, but the game world and character records were maintained over the transition. "GemStone III" was promoted on GEnie by promising players the opportunity to receive real-life versions of gems found in-game, something that persisted for many years. "GemStone" originally operated with a license to use the Rolemaster game mechanics and Shadow World environment from Iron Crown Enterprises (ICE). In 1995, Simutronics and ICE agreed to let the business relationship expire, necessitating the removal of all ICE intellectual property from "GemStone". Many of the game changes were