Arsenopyrite, Apatite, Quartz, Siderite – Minas da Panasqueira, Covilha, Castelo Branco, Portugal
 A magnificent paragenesis of arsenopyrite, apatite, quartz, and siderite. The crystals are in pristine condition and impress with beautifully defined crystal shapes and particularly good luster.
 An all-round wonderful collection piece from the famous site in Portugal.