Pyrite is a brass-yellow mineral with a bright metallic luster. It is composed of iron sulfide and is the most common sulfide mineral. It forms at high and low temperatures and occurs, usually in small quantities, in igneous, metamorphic, and sedimentary rocks worldwide. It is also known as "fool's gold", as it can be easily mistaken for real gold by inexperienced prospectors.
These samples are cubic in shape.
NOTE: The item photographed is similar to the one you will receive. These specimens are approximately 1"x1" in size, and weigh between 1 and 2 ounces each. Country of Origin: Spain