Left top to bottom: CC17661 Native Copper - Kazakhstan 6,8 x 3,5 x 2,5cm; CC20470 Native Copper - Urals, Russia 6,1 x 9 x 3,8cm; CC12011 Native Copper - Onganja Mine, Onganja, Seeis, Windhoek District, Namibia 7,3 x 3,2 x 1cm; CC18939 Native Copper - Phoenix Mine, Phoenix, Keweenaw County, Michigan, USA 7,5 x 7,1 x 2,6cm; on the right hand side CC11999 Malachite after Native Copper and Cuprite - Rudabanya, Rudabanya Mts, Borsod-Abauj-Zemplen County, Hungary 8,2 x 8,2 x 5cm.