Watermelon tourmaline (photo Gemstone Magic)

A colour for every occasion – the rainbow world of tourmaline

Although tourmaline is not the rarest of gems and is often seen in jewellery, not many people appreciate the entire colour range of this fascinating family of minerals. Tourmaline occurs all over the world. Primary deposits are found in many countries, most notably Brazil (all colours), Afghanistan (blue and green) and the USA (green and […]