The history of this rare stone is documented in Paraiba: The Legacy of a Color, written by Kevin Ferreira, a gemologist and specialist in this specific tourmaline through his family's involvement ...
In September a cushion-shaped 5.44-carat Paraiba tourmaline ring flew past its US$60,000 upper estimate in auction at Bonhams New York to sell for US$533,900. This is bidding territory more ...
The Gold Sheen Sapphire, a recently discovered gem, has swiftly claimed the title of the second-rarest gemstone on Earth. Its ...
A Polícia Civil da Paraíba, por meio da Delegacia de Roubos e Furtos de Campina Grande (DRF-CG), realizou nessa terça-feira ...