A thin slice has been taken through the nodule, ground gem smooth and finally a high polish applied to reveal wonderful colours and detail. Approximately 190 million years old. This item would make a lovely drawer specimen.
Again another original Marston Marble cabachon packed with ammonites (Promicroceras planicosta), which is approximately 200 million year old. This unusual shaped cabachon would look fantastic incorporared in a piece of jewellery. The stone has been ground gem smooth and finally a professional polish applied to reveal very fine detail throughout. A one off piece
This beautifully worked original Marston Marble cabachon which displays a multitude of ammonites (Promicroceras planicosta). The cabachon has been ground gem smooth and a professional polish applied to reveal all the very fine detail. A totally unique item which would make a stunning piece of jewellery. Approximately 200 million years old.
This beautifully shaped original Marston Marble cabachon would make the main piece in a stunning brooch or just a tactile piece within a collection. Grade A Marston Marble is becoming incredibly scarse. The white film around each ammonite is the animal's original shell. Approximately 200 m illiion years old. A totally one off, unique piece.