Fordite aka Detroit Agate Cabochon newly Biggs Jasper Cabochon

Biggs Jasper Cabochon

Turquoise and Bronze Matrix Composite Cabochon

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

This cab measures approximately 28×11 mm

~ 22 x 14 x 7 mm

Fordite aka Detroit Agate Cabochon newly Biggs Jasper CabochonFordite aka Detroit Agate Cabochon Measures approximately 31x15x7 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)