Microscopic analysis, the company said, has confirmed the presence of pentlandite (nickel sulphide), chalcopyrite (copper sulphide), and pyrrhotite sulphides, providing further geological validation​Microscopic analysis, the company said, has confirmed the presence of pentlandite (nickel sulphide), chalcopyrite (copper sulphide), and pyrrhotite sulphides, providing further geological validation ​Latest News [ SOBAN NEWS: International and National ]