0207 Tennantite, Wheal Gorland, St Day United Mines (Poldice Mines), Gwennap, Camborne – Redruth – St Day District, Cornwall, England

multiple single crystals on matrix,a micromount x10. Ex W. W. Jefferis Coll. No. 7386, ex Carnegie Museum No. 1217, ex Delbert L. Oswald Coll.