All metals, except for mercury, are solid at ordinary temperatures and,when polished or freshly broken, have a bright luster and reflect light.
Bornite is a beautiful stone to look at. Yet, it is the outer crust of the rock that is the actual metal.
Covellite is good example of what happens when metals are a melted than cooled, most metals solidify into crystalline form. The outer crust of Covellite are tiny crystals of metal.
Copper is a heavily mined oar. It is connected to every stock market in the world.
Math is used in exchanging shares of stock as well as used in the industry that mines and uses this dwindling resource.
Most metals are good conductors of heat and electricity. Copper is used by plumbers in heating system because of this.
