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Amgueddfa Cymru – Museum Wales
This is a Rubber Stone smoothed on two faces. On one face the edge of the stone has been ground flat. The object is just the right size and shape to be held in a hand.
It is Lithology A: Pale grey, unfossiliferous, well sorted, fine to very coarse grained orthoquartzite, commonly with granules and occasionally with small pebbles of vein-quartz. The rock is lightly to moderately cemented with secondary quartz and has a marked porosity. This is the most common Lithology of the Severn Estuary sites.
Site Name: Peterstone, Peterstone Wentloog
