Fordite: an anthropocenic mineral "formed from the built up of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted (a now automated process), which have been baked numerous times.
Uranophane Uranophane is a rare calcium uranium silicate hydrate mineral that forms from the oxidation of uranium bearing minerals. Uranophane is also known as uranotile. It has a yellow color and is radioactive.
Red Cinnabar The distinction between a mineral and a gemstone is not always well-defined. In general we can say that an attractive mineral will find use as a gemstone only if it is sufficiently hard and durable to be set in jewelry