 A product of the trace element copper, colours range from turquoise to blue-green. | Paraiba tourmalines have become one of the most popular gems in the world. First discovered in the 1980s in the hills of the Brazilian state of Paraiba, Paraiba tourmaline's vivid glow isn't found in any other gemstone.  |  5.17 carat Boghossian ring |
 Tourmaline of 75.20cts from Mozambique | Good quality Paraiba from Brazil over three carats is extremely rare. Authentic Brazilian Paraiba tourmalines can achieve five figures per carat. |  In 2003, a wave of luminous green-blue tourmalines entered the market, mined in Mozambique and Nigeria. They are Paraiba-like in every way, with only minute chemical differences to those unearthed in Brazil. |
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