Crossword clues for Rock variety 6 letters:GNEISSRock varietyGRUNGERock varietySCHISTEasily-split variety of rock.GNEISSRock with a garnet varietyACIDRock varietyMETALRock varietyQUARTZITERock varietyELMIt has "slippery" and "rock" varietiesEMORock varietyGLAMFlashy rock varietyDOLOMITERock varietyELMSTrees with a "rock" varietyAGATERock variety with colorful bandsBAROQUEPOPStringy rock variety