Though these fossils are almost always simply called Orthoceras
blue-gray chalcedony filling the thunderegg fracture pattern
Crystalline Geodes are from Mexico and have a pinkish matrix and a light blue to white crystal interior
5" x 4" x 1
Each order contains only one pebble
BOT620c Botswana Agate Cabochon From Mexico Though these fossils are almostA white, grey, brown, pink, and black Botswana Agate cabochon with a polished face and edges. 29 x 43 (mm) 10(g) Designer Cabochons: The Gem Shop, Inc. produces free form designer cabochons for the custom metal smith, hobbyist, and collector. All of the cabs shown are cut and polished by hand in our lapidary shop in Cedarburg, Wisconsin. The Gem Shop, Inc. specializes in fine agates and fine jaspers including Laguna Agate, Agua Nueva Agate, Black