Peacock ore is a Bornite, A sulfide mineral with chemical composition of Cu5FeS4. This Mineral infused metal is excellent for grounding the energy of space. Carrying a small piece of it may help in the recovery of a blood disorder or ease some of the side effects of chemotherapy. Has a brown to copper-red color on fresh surfaces that tarnishes to various iridescent/ shades of blue to purple in places. Its striking iridescence gives it the Nickname peacock ore. This is a naturally occurring material but sometimes people will intentionally tarnish peacock ore to give it the color.