Ammonite and Black Onyx Necklace New Features detailed cephalopod illustrations that

Features detailed cephalopod illustrations that inspire wonder and conversation

Stegosaurus

or recording your latest research ideas

or planning the layout of your winter bird feeder

stepped shape makes it an appealing addition to a shelf

Ammonite and Black Onyx Necklace New Features detailed cephalopod illustrations thatThis Ammonite and Black Onyx Necklace brings together a fossil from ancient oceans and a striking natural mineral. The piece features a fossilized ammonite paired with polished black onyx, both set in sterling silver. Ammonites were spiral shelled marine mollusks that lived during the Mesozoic era, and their shells were preserved through fossilization over millions of years. Black onyx is a variety of chalcedony, a microcrystalline form of quartz