This fantastic piece has been ground gem smooth all over and a professional polish applied to reveal beautiful colours and intricate detail throughout the piece. Both sides are equally as nice. Some 200 million years ago, billions of these ammonites (Promicroceras Marstonense) were killed off in a sudden catastrophe either an algal bloom or volcanic activity seem to be the likely culprits. A wonderful specimen for the serious collector of rare UK fossil material.
A fantastic piece of original Marston Marble which has been ground gem smooth and a professional polish applied to reveal wonderful detail throughout all the cross-sections of ammonites (Promicroceras Marstonense). The white film surrounding each ammonite is the original shell preserved. A superb piece for the serious collector of rare UK fossil material. Approximately 200 years old. Polished on all sides.
A really nice example which has been ground gem smooth all over and finally a high polish applied to reveal wonderful colouration and detail on both sides. Inside the cross sections of the ammonites (Promicroceras Marstonense),the different coloured calcites are just wonderfu. A piece for the collector of rare fossils from the UK. Approximately 200 million years old.