Figure1: Azurite, malachite, chalcocite in core from MHB-32: 527 to 537 ft (160.6-163.6 m) The primary objective of core hole MHB-32 is to expand known zones of copper mineralization and toward a new ...

Diamonds are uniquely valuable due to their extreme hardness and exceptional thermal conductivity, making them the hardest known natural material, about 58 times harder than any other, according to ...

Australian Mines has hit broad, continuous gold mineralisation in the first three diamond holes drilled at the Boa Vista gold ...

The illustrious Cullinan diamond mine, flagship of London-listed Petra Diamonds, is not only famous for hosting the largest ...

Lucapa Diamond Company (ASX:LOM) has announced a strategic decision to divest its 70 percent stake in the Mothae mine in Lesotho as part of a broader plan to streamline its operations and focus on ...

The decline of diamonds as a store of wealth is accelerating as low-cost laboratory gems seize more of the market, eating into the share of mined stones and devaluing family heirloom jewelry. Not a ...