This lovely example is a thin slice through a branch and within are and abundance of shipworm burrows. The slice has been ground gem smooth and a high polish applied to reveal all the detail within. Approximately 15 million years old.
Preserved matrix free, is this fine example of a Jurassic Bivalve. The specimen was collected many years ago from the brick pit at Blockley. Unfortunately, collecting from this location is now prohibited. A good drawer specimen.
Fossilised shells are always popular amongst collectors and this fine matrix free specimen would fit indeed into any shell collection. The specimen is from Blockley Brick Pit from which now, sadly, collecting has been banned.