German Gemstone History " As early as the late mechanized mining operations to extract agate, jasper and quartz created employment for gem cutters and stone carvers who flocked to the region." *Carved Agate Bowl from Idar Oberstein
Agate is the banded form of the mineral Chalcedony, which is a microcrystalline variety of Quartz. Agate is the most varied and popular type of Chalcedony, having many varieties on its own. Photo by Darwin Dillon.