Bornite is an ore mineral of copper, and is known for its iridescent tarnish. "Peacock Ore", which is sold to amateur mineral collectors and tourists, is often labeled as a variety of Bornite. However, most Peacock Ore in reality is Chalcopyrite treated with acid, which produces a strongly-colored iridescent tarnish. Bornite is named for Ignatius von Born, an Austrian mineralogist and paleontologist
In copper ore veins, both as a primary and secondary mineral. Mainly in hydrothermal metamorphic rocks, in mesothermal veins, in hydrothermal replacement deposits, and in igneous intrusions and dikes
mineral discription
sulphides and thier realation to gold (bornite is a sulphide)
(mabye crush them to powder and use rams hide to make golden fleece and get very small amounts of gold, silver, copper and iron)
(rare curio from mining chalcopyrite, also chould be made from soaking chalcopyrite in vinager for long time)
(it also contains small amounts of silver gold and iron sometimes rarly)
