Complex sentence: It is well-known among sculptors and geologists that different rock types have different sounds when being worked, each rock has a unique composition so they vibrate in different manners producing a sound characteristic to that type of rock.
Split into simpler sentences: It is well-known among sculptors and geologists that different rock types have different sounds when being worked. Each rock has a unique composition so they vibrate in different manners, producing a sound characteristic to that type of rock.