Azurite, Concepcion del Oro, Zacatecas, Mexico, Mined c. 1970s, Kalaskie Collection #75, Small Cabinet 6.5 x 8.0 x 10.0 cm, $350. ONline 11/3
Gossan matrix covered with a rich druse of deep azure blue crystals of azurite. From the great producing days of Concepcion del Oro ca. 1970s. In great condition. Betty Kalaskie Collection #75.