Fordite aka Detroit Agate Cabochon pink opal and bronze This cab measures approximately 30x15x6

This cab measures approximately 30x15x6 mm

Purple Spiny Oyster with Bronze Matrix Composite

~ 31 x 17 x 5 mm

~ 15 x 4 mm

Sonoran Mountain Turquoise Cabochon

Fordite aka Detroit Agate Cabochon pink opal and bronze This cab measures approximately 30x15x6Fordite aka Detroit Agate Cabochon Measures approximately 24x26x6 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)