Trade name for a jasper with spherical inclusions.
Ocean Jasper Shop
Origin of Name: named "Oocean" jasper by an American mineral dealer because the first known deposit was located very close to the sea.
Synonyms and trade names: mineralogically correkt: orbicular jasper, translucent or semi-translucent specimens should correctly be termed ocean chalcedony or orbicular chalzedony
Localities: the most important sources are located on Madagascars west coast, near the villages of Moravato and Kambaby. Apparently the Moravato deposit is already depleted (Spring 2015).
Ocean jasper from Madagascar
Other deposits producing jasper with similar inclusions are in the USA (Arizona, California and South Dakota) and in Russia (southern Ural Mountains and wetsren Siberia).
Handling: like all quartzes ocean jasper is sensitive to hydrofluoric acid only.
Ocean Jasper Shop