L216 18th Century polished ammonites on an agate

polished ammonites on an agate base

18th century Italian painted fragment decorated with mica in matrix and a smokey lemon quartz crystal on a phantom optical calcite base

sculpted linen canvas

Size: 7" tall x 4

Decorated with an 18th century

L216 18th Century polished ammonites on an agate18th century Italian gold leaf fragment decorated with a faceted cut black crystal on a free forming black obsidian mineral with a polished face. Obsidian is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminum, sodium, and potassium. Size: 4. 25" wide x 5" high