BERYL
- a green mineral [n BERYLS] : BERYLINE [adj]
- a mineral consisting of a silicate of beryllium and aluminum of great hardness that occurs in colorless hexagonal prisms when pure and in various colors (as green, blue, yellow, or pink) when not pure, that is valued as a source of gems, and that is the principal source of beryllium
- mineral, varieties of which are the gems emerald and aquamarine
- female given name