A genuine fossil ammonite from Russia that has naturally turned to pyrite! I hand cut and polished one face and left a natural face. Has a 2.5mm side drilled hole so it can be worn as a pendant. Measurements are shown in the listing title. CHAIN NOT INCLUDED. Feel free to check out all the items in my DVHdesigns Handmade Storefront and there you can contact me with general inquiries or about a custom order. Thanks for shopping DVHdesigns!