Preserved in a large rectangular block of chalk is this stunning and rare example of this cretaceous chalk sponge. The sponge has been expertly prepared. Examples like this are very seldom seen for sale as most of them end up in museum collections. This is a particularly fine and extremely sought after specimen.
This beautiful and highly ornate example of this classic Jurassic algal fossil would fit into any collection or indeed the interior as it is aesthetically pleasing to the eye. This particular specimen has been cut and ground and a high professional polish applied to reveal the beautiful structure. This stone is locally known as "Beetroot Stone" and I think we can all understand why. Approximately 168 million years old.
The pink colouration of this algal fossil is produced due to the chemical element, Boron. This specimen has been ground gem smooth and a high polish applied to reveal the beautiful and ornate structure within the rock. Just quite stunning!! Approximately 168 million years old.
This material is classic and highly documented in the fossil record. What makes this specimen so classic is its beautiful pink colouration and when cut and polished, as is the case in this example, it makes a beautiful and highly decorative display piece. The colour of this algae is caused by the element Boron. Approximately 168 million years old.