A lovely piece with fine detail throughout. All three ammonites have been preserved in solid pale yellow calcite. The rock surrounding the ammonites has been left natural with no base cut, ideal for a drawer specimen. Approximately 200 million years old.
A fantastic slice of original Marston Marble which has been ground gem smooth both sides and finally a high polish applied to reveal fine detail within each cross-section of ammonite (Promicroceras planicosta). The white film surounding each ammonite is the creature's original shell. Grade A Marston is very rare. Approximately 200 million years old.
A nice example of this juvenile specimen which lies in a fossiliferous piece of rock which has a level base for display options. The ammonite itself has been preserved in solid calcite and has an immaculate centre. Approximately 172 million years old. Very rare from this locality.
This lovely piece of original Marston Marble has been crafted into this wonderful pyramid shape, ground gem smooth and finally a high polish applied to reveal intricate detail within the ammonite's cross sections. Each piece is unique and would make a super display item which are approximately 200 million years old.