 | "coffee with milk" Agate Argentina, gravel pit 50 km south of Concordia 2010 6,8 x 5,0 cm |
 | "Thunderstorm" Agate Argentina, gravel pit 50 km south of Concordia 2010 5,0 x 5,0 cm |
 | Agate Argentina, gravel pit 50 km south of Concordia 2010 5,8 x 4,0 cm |
 | Agate Argentina, gravel pit 50 km south of Concordia 2010 8,5 x 5,0 cm |
