aerial view of raw copper vein, cu products, and malachite mineral

excavation excavated mining mineralogy manufacturing oxidation oxidized oxide azurite bead pill box natural geoscience earth science renewable verdant celadon smaragdine prasine sea foam raw atomic number 29 twenty nine properties common malleable native geology geologic hardness metallic streak magnetism crystal crystalline shape lattice reddish ductile weathered chemically chemical weathering physical boulder pebble sized particle sediment hand sample recycle recycleable recycled alloy conductor cupronickel cupro material substance pinkish orange umber colorful hues