London-listed Petra Diamonds sold 613 682 ct of diamonds for $53-million during its combined Tender 5 and 6 sales cycle, taking year-to-date revenues to $239-million from the sale of 2.39-million ...

With the ExxonMobil U-14 Boys and Girls Football Championship set to commence on Saturday, tournament organisers, the Petra Organisation, conducted their traditional ball distribution exercise in ...

Galleries, auction houses and art lovers are joining forces to offer the public an artistic journey through some of the Principality's most emblematic districts.

† Department of Chemical Engineering and Physical Chemistry, Area of Chemical Engineering, Faculty of Sciences, University of Extremadura, Avda. de Elvas, s/n, E-06006. Badajoz, Spain ‡ Department of ...