Fordite aka Detroit Agate Cabochon emerald rose variscite It was formed from the

It was formed from the buildup of layers of enamel paint slag on tracks and skids on which cars were hand spray-painted

Rosarita cabochon in a rectangle shape

Measures approximately 27x11x5 mm

~ 20 x 13x 5 mm

Fordite aka Detroit Agate Cabochon emerald rose variscite It was formed from theFordite aka Detroit Agate Cabochon Measures approximately 22x8 mm 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, which have been baked numerous times. (from Wikipedia)