Specimens of bunter sandstone from Knutsford, Cheshire, UK. This bunter sandstone is a desert sandstone from the Buntsandstein (bunter sandstone) strata. Samples are supplied in a white card tray with an information label and are ideal for collectors of British rocks.
Carrstone is a sedimentary rock which has a distinct, rusty red colour. These particular specimens found in Wesctott, Surrey formed during the Cretaceous period, a friable rock, it is iron rich, obtaining its colour from leaching. Used commonly as a building stone, the samples we have available have various size options and come supplied in a card tray with a label.
A small hand sample of fossil limestone containing numerous small Scyphocrinites crinoid stem fragments. Crinoids are fossilised sea lilies, these particular sample come from South Morocco. Often the stems are only preserved in fragments as can be seen. Samples measure approx in 3″ size and come in a small card tray with a label.
Flint is a variety of chert and a hard sedimentary rock of the silicate family with a conchoidal fracture. It exhibits a monochromatic colour scheme with a dark grey or black interior contrasted with a vibrant white exterior. It was collected from South Devon, and comes supplied in a card tray with an information label.
Pea Grit (pisolite) is the name given to a Middle Jurassic limestone which is characterised by its large spherical grains or Pisoids, similar to ooliths. Specimens are supplied with a labelled card tray.
Specimens of pyrite nodules formed from iron sulphide rich sediments, dated to the Jurassic period 195 Mya and collected from Charmouth, UK. These curious specimens are ideal for both mineral collectors and educational use. Samples are supplied in a white card tray with an information label.