Beryl is a mineral composed of beryllium, aluminum, and silicon. It is found in many colors, including EMERALD (7 letters), AQUAMARINE (10 letters), and pink. Reid (4 letters) is a type of beryl that is usually green or blue-green in color. Emeralds (8 letters) are a variety of beryl that are highly valued for their deep green color. GEMS (4 letters) are precious stones, such as beryl, that are cut and polished for use in jewelry. ORE (3 letters) is a rock or mineral from which a valuable metal or gemstone can be extracted.