Back Loseta (roca) AN أردواز Arabic স্লেট Bengali/Bangla Llicorella Catalan Llechfaen Welsh Tonschiefer German Slate English Ardezo Esperanto Pizarra (roca) Spanish Kilt Estonian
Slate is a metamorphic rock. It is formed from shale by being under pressure and moderate heat. Shale itself is formed from muddy clay, splits into thin plates. This characteristic splitting is carried over into slate. Schist is a rather similar type of metamorphic rock.