Wikimedi'Òc

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 1 (31128523811).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 3 (33017989052).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 5 (33046925331).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 6 (33174489655).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 7 (33132776076).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 8 (33174473595).jpg - Ser Amantio di Nicolao

Turgite on flint (Vanport Flint, Middle Pennsylvanian; Nethers Flint Quarries, Flint Ridge, Ohio, USA) 9 (39632995631).jpg - Ser Amantio di Nicolao