beryl /ˈbɛɹ.əl/noun 3adjective 1forms 1 noun3 •A mineral of pegmatite deposits, often used as a gemstone (molecular formula Be₃Al₂Si₆O₁₈). •An example (a stone) of the mineral beryl.The crown was set with six beryls of excellent size and color. •A dull blueish green color. adjective1 •Of a dull bluish green colour. formsberyls
