C919 19th century Exotic minerals allow the colors

Exotic minerals allow the colors to form in each specimen that has been polished by hand

5" deep x 11" high

These corals would have remained sealed there subterraneously

11" wide x 5" deep x12" high

It is mounted on the polished calcite base and adorned with a natural-forming baroque pearl

C919 19th century Exotic minerals allow the colorsPetrified wood decorated with a chalcedonian rosette and hemimorphite on a lucite base. Chalcedony is named after the ancient seaport of Chalcedon. The crystal aggregates consist of sphericalrosettes with jutting pointed crystals. It is a cryptocrystalline form of silica, composed of very fine intergrowths of the minerals quartz and moganite. Chalcedonian rosettes are rare, and information alone is hard to come by. Size: 11" high x 4" wide x 4" deep