Guanacoite, Arhbarite, Konichalcite – El Guanaco Mine, Taltal, Atacama, Chile
 Found October 1998, ex Stefan Weiß Collection
 This mineralogically interesting specimen displays a variety of minerals. Good light blue guanacoite crystals, grape-like, dark greenish-blue arbarite, yellow-green conichalcite, and white aragonite in enargite/chrysocolla ore breccia.