Name and the Gemstones

The element's story is bound to precious stone. Emerald and aquamarine are both gem varieties of beryl, coloured by trace impurities but built on beryllium's framework, so the lore of these stones, prized since antiquity in Egypt and the Near East, is in a literal sense the cultural history of beryllium long before anyone knew the metal existed. The discarded name glucinium preserves a second thread: the sweet, dangerous taste that first drew chemists' attention. Beryllium has no alchemical tradition of its own, being an eighteenth-century discovery, but through beryl and emerald it inherits one of the oldest bodies of gemstone symbolism.

Aquamarine takes its own name from the Latin aqua marina, seawater, and was carried by sailors as a talisman believed to calm waters and guarantee safe passage, while medieval lapidaries credited it with restoring lost love and curing ailments of the eye. Emerald's lore runs deeper still: Cleopatra is said to have mined emeralds in Egypt's Eastern Desert, the stone was associated with Venus and fertility in Roman tradition, and later Christian writers linked its green to hope and the renewal of spring. Morganite (pink) and heliodor (golden yellow) are further beryl varieties, extending beryllium's gemstone family well past its two most famous members.