Chalcopyrite is an essential element for copper and has been for over 1000 years. It has been beneficial because it is extremely difficult to melt at high temperatures.
Copper is a very valuable material. It is commonly used for electricity and piping, because it has a very high melting point, and it doesn't rust.
Copper is an essential element for human nutrition.
Copper has a melting point of 1085° c.
Copper is one of the few metals that doesn't rust.
Chile (3,149)
Peru (1,330)
US (525)
Russia (450)
Indonesia (400)
Zambia (340)
Logan Lake, BC (17 km west)
Sudbury, ON
Princeton, BC
Timmins, ON
Dease Lake BC (80 km south)
etc.