Psilomelane 22mm Trillion Shaped Designer Cabochon

Item #: CAB971

Psilomelane 22mm Trillion Shaped Designer Cabochon

This stone is very reflective and hard to photograph. It is a shiny black stone with iridescent swirls in it.

What is called psilomelane is now known to be a mixture of several manganese oxides of which romanechite is a major constituent. Such manganese oxide mixtures may form large deposits and may occur in lake or swamp bedded deposits and clays; it has been found in Germany, France, Belgium, Scotland, Sweden, India, and the U.S.