Iron Pyrite Uniqueness Guaranteed: Every item is one-of-a-kind, making them ideal for all projects or designs. The listing is for (1 Pound) Choose your size Material Origin: (Brazil) Iron pyrite has a yellow metallic luster that gives it the nickname fool's gold, and it is most often found alongside quartz, in coal beds, and as a replacement mineral in fossils. Ironically, despite the nickname, pyrite can sometimes contain actual gold, usually so-called "invisible gold" contained inside the crystalline structure. Custom Requests: Have specific preferences? Leave a message with your order, and we'll do our best to accommodate your requests if possible.