unchiseled
/ˌʌntʃaɪˈseld/Definitions
1. adjective
not shaped or formed into a particular shape or style
“The artist’s unchiseled sculptures were an interesting contrast to the polished works of her contemporaries.”
2. noun
a person or thing that is not shaped or formed into a particular style or shape
“The unchiseled block of stone was left untouched by the sculptor.”