- Source: Tourmaline (disambiguation)
Tourmaline is a crystalline boron silicate mineral
Tourmaline (activist) (born 1982), American activist, filmmaker, and writer
Tourmaline (band), an American rock band
Tourmaline (novel), a 1963 novel by Randolph Stow
Tourmaline Surfing Park, a public beach in San Diego, California, U.S.
HMS Tourmaline (J339), a Royal Navy minesweeper
USS Tourmaline, a U.S. Navy ship
HMS Tourmaline, later HMS Cassandra, a Royal Navy destroyer
"Tourmaline", a 2017 song by Aye Nako from Silver Haze