Elbaite is a mineral that belongs to the tourmaline group. It is a complex borosilicate mineral that has a variety of color and is often used as a gemstone. Synonyms for elbaite include tourmaline, verdelite, indicolite, rubellite, and achroite. Tourmaline comes from the Sinhalese word "tura mali," which means "stone with mixed colors." Verdelite is a type of elbaite that comes in shades of green, while indicolite is a blue-colored elbaite. Rubellite is a red or pink-colored elbaite, and achroite is a colorless or white elbaite. All of these synonyms describe different shades of elbaite, which are valued for their beauty and durability.