Can somebody give me information on the white rocks with black veins ? Found in Cornwall, England , there were seams of it through the slate rocks on the beach. : r/whatsthisrock

Cornwall: The North Coast of Cornwall

Serpentine rock cornwall hi-res stock photography and images - Alamy

Rock of the Ages: On Chalk in Britain

Does anyone know what this rock is? It was found on a beach in

How to journey towards the centre of the Earth at a Cornish beach

Anyone able to help identify this rock? : r/whatsthisrock

File:Chert nodule in chalk (Upper Cretaceous; White Cliffs of

Lizard (Cornwall, England, United Kingdom) #5

Beach Stones with White Lines 21 – Jessica's Nature Blog

Beach Stones with White Lines & Patterns – Jessica's Nature Blog

What are these rocks? A 140 foot deep well was drilled on my land