• Cornerstone Mineral Corporation

      Cornerstone Mineral Corporation Limited, (“CMC”) was formed with its main object being mining and exploration. The Pebbly Hills Project, (“PHP”) is an advanced stage exploration project that is located between Invercargill and Gore, Southland Province, New Zealand.

    Company Overview

    Cornerstone Mineral Corporation Limited is an important subsidiary of Millennium Mineral Holdings. As the name suggests Millennium Mineral Holdings is focused on the dominant minerals of this Millennium namely silica. 

    Pebbly Hills Project Overview

    Cornerstone already holds access to 2087 hectares of prime silica material at Pebbly Hills in the South Island of New Zealand. It is intended to secure adjacent areas which will comprise of a truly world class deposit with a life measure in ten decades.


    Silicon made up roughly 75% of solar installations in 2011. It was the first major material used in the creation of solar panels. It may since have been supplanted by newer materials and technologies, but it is still vital in solar…

    Several sampling campaigns have been undertaken since 1968 by various Companies and Government institutions.

    In December 2016 The Company Directors implemented a drill campaign to proof up what Minerals were known to be available in the area. This resulted in a declaration of Indicated Resources for the first time.

    South African Office

    Regent Hill Office Park

    Corner of Leslie and Turley Road, Lonehill

    Sandton, 2191

    Gauteng, South Africa

    Contact Us

    SA: +27(0)11 4656831

    NZ: +64(0) 94280124



    New Zealand Office

     c/o AWS Legal

    151 Spey Street, 


    Invercargill, 9810 , 

    New Zealand