Fordite, also known as Detroit agate or Motor City agate, is old automotive paint which has hardened sufficiently to be cut and polished. It was formed from the buildup 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. In recent times the material has been recycled into jewelry.
Call me Mr. Bedrock, I can make your Flint stone
See, this kind of double-threaded reference is something I only do when I’m close to mania, like the one coming up in the next two weeks that’s sneaking up on me less than I’ve ever seen