Fordite aka Detroit Agate Cabochon spiny oyster composite Measures approximately 25x18x6 mm

Measures approximately 25x18x6 mm

Large red and orange striped teardrop shaped Rosarita cab

Measures approximately 23x22x5 mm

Biggs Japer

Rosarita cabochon in a teardrop shape

Fordite aka Detroit Agate Cabochon spiny oyster composite Measures approximately 25x18x6 mmFordite aka Detroit Agate Cabochon Measures approximately 27x17x7 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)