Features: Natural fossil stones, used for school teaching supplies, teaching specimens. Long historical precipitation, good quality, each one is unique. Suitable for personal collection of appreciation. With Ancient history, retro style, you also can decorate your home with it. Although completely petrified, the sea snail shells threads are clearly visible, is a ideal antique. Specifications: Color: as the picture Material: sea snail Process: cutting Source: natural Clarity: VS Diameter(Optional): 2cm/0.79inch, 4cm/1.57inch Package Included: 2 x Ammonite Fossil Specimen Note: Because they are natural fossil, so they may have differences in the size and color,may exist some defects, please be informed before purchase!