5 words in this vocabulary list
noun a precious stone consisting of a clear and typically colorless crystalline form of pure carbon
noun a bright green precious stone
adjective of a bright green color
noun a hard, typically green stone often used in jewelry or carvings
noun a precious stone typically blue in color, a variety of corundum
adjective relating to or resembling a sapphire
noun a yellowish-green variety of olivine used as a gemstone