Wikimedi'Òc

Native silver fault crust in sulfidic shale (Kupferschiefer Formation, Upper Permian; Mansfeld, Germany) 5.jpg - Ser Amantio di Nicolao

Native silver fault crusts in sulfidic shale (Kupferschiefer Formation, Upper Permian; Mansfeld, Germany) 3.jpg - Ser Amantio di Nicolao

Native silver fault crust in sulfidic shale (Kupferschiefer Formation, Upper Permian; Mansfeld, Germany) 1.jpg - Ser Amantio di Nicolao

Native silver fault crust in sulfidic shale (Kupferschiefer Formation, Upper Permian; Mansfeld, Germany) 2.jpg - Ser Amantio di Nicolao