 | Agate Argentina, gravel pit 50 km south of Concordia 2010 4,5 x 4,0 cm |
 | Agate Argentina, gravel pit 50 km south of Concordia 2010 5,0 x 4,5 cm |
 | Agate Argentina, gravel pit 50 km south of Concordia 2010 6,0 x 4,5 cm |
 | Agate Argentina, gravel pit 50 km south of Concordia 2010 7,0 x 5,0 cm |
 | "River with ice during winter" Agate Argentina, gravel pit 50 km south of Concordia 2010 5,0 x 4,0 cm |
