A fossil can help preserve the whole organism or certain parts of it. Bones, feathers, shells, teeth, jaws, and leaves can form fossils. Fossils are a result of fossilization, which decomposes the parts of the organism and forms hard rocks. These fossils have become a new processional item, especially for history lovers, paleontologists. Here are some of the fossils for sale. You cannot get each fossil since some are unique and reserved.