Fossilised Red Horn Coral comes from the Silurian Age which dates to 390 million years old and falls within the Paleozoic Era
Radiolarite or radiolarian chert is a high silica sedimentary rock which may be considered a variety of chert
also known as black hematite
Black is caused by manganese
protecting the wearer or carrier from being harmed by the negative energy of another
Black Mother of Pearl / MOP 24-29mm handmade flower beads (ETB00359) Bryozoan Coral Fossilised Red Horn Coral comesMother of pearl, is an organic inorganic composite material produced by some molluscs as an inner shell layer; it is also what makes up the outer coating of pearls. It is strong, resilient, and iridescent. Mother of Pearl is found in some of the more ancient lineages of bivalves, gastropods, and cephalopods. However, the inner layer in the great majority of mollusc shells is porcellaneous, not nacreous, and this usually results in a non iridescent