The name tourmaline comes from the Sinhalese (Sri Lanka) word "turamali" meaning "mixed" since tourmaline can be found in many color variations. Watermelon tourmalines are green on the outside and pink on the inside. Some tourmaline stones are dichroic meaning they appear to change color when viewed from different angles.
Tourmaline is available in a wide variety of colors from black to bluish-black, dark brown, yellow, medium brown, blue to neon blue, lime to dark forrest green, red and reddish purple, yellow, pink, and may also be colorless.
Tourmalines are mined in many places aroung the world including Africa, Afghanistan, Africa, Australia, Brazil, Kenya, Madagascar, Mozambique, Nigeria, Pakistan, Siberia, Sri Lanka, Tanzania, the United States and Zimbabwe.