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

manufacturing crystalline recycleable cupronickel excavation mineralogy geoscience smaragdine properties chemically weathering excavated oxidation renewable malleable magnetism weathered conductor substance undefined telephony oxidized geologic hardness metallic chemical physical particle sediment recycled material colorful vertical azurite natural science verdant celadon prasine geology crystal lattice reddish ductile boulder recycle pinkish mining atomic number twenty common native streak pebble sample orange oxide earth shape sized alloy cupro umber pipes elbow sheet bead pill foam penny pennies coins money one cent piece