Type II micro-diamonds dominate Tres-Or Resources’ Guigues pipe
                                            The Canadian company said that rare Type II micro-diamonds lacking measurable nitrogen are the main resource at its Guigues kimberlite pipe.                                        
                                        
                                     
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                