Blue Eyris Pearls - Pearls from the sea creatures known as abalone are incredibly rare. They cannot be cultured like the pearls from mussels and oysters; abalone are all hemophiliacs. They bleed to death when injected with a nucleus. in nature
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.