If a rock sample has a mass of 1.17 g and a volume of 0.33 cm3, what type of rock is it? | If a rock sample has a mass of 2.7 g and a volume of1.1 cm3, what type of rock is it? | If a rock sample has a mass of 11.2 g and a volume of 1.9 cm3, what type of rock is it?