Three pieces of copper ore. Multi coloured and irregularly shaped (a) is 8.5 cm long and ca. 3.0 cm thick, (b) is similar while (c) if very small ca. 2.5 cm long and 0.8 cm thick.
Three pieces of copper ore. Multi coloured and irregularly shaped (a) is 8.5 cm long and ca. 3.0 cm thick, (b) is similar while (c) if very small ca. 2.5 cm long and 0.8 cm thick.