Shear Minerals Ltd. Shear Minerals is a Canadian-based exploration company focused on diamond exploration in the Canadian North, where it explores established diamond districts and has discovered new ones.  In addition to the Jericho diamond project it has now acquired through the Jericho Acquisition, Shear  Minerals has a portfolio of eight other diamond projects, seven of which are drill-ready. Shear Minerals has advanced its 62.3% ownership of Churchill Diamond Project into an expanding diamond district hosting 88 kimberlites in the Kivalliq region of Nunavut.