Ammonite and Black Onyx Necklace Gadget A colorful way to combine

A colorful way to combine creativity and chemistry

or anyone fascinated by geology

Information boxes explain the theory with the help of simple graphics and for further studying

and natural materials in a single display piece

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Ammonite and Black Onyx Necklace Gadget A colorful way to combineThis 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