What is the most reliable property for identifying a mineral: Streak. Mohs scale ranks the ____________ of a mineral: hardness. What are the 3 ways minerals can form: As magma and lava cool, from solutions, by metamorphism. What are the 3 classes of rocks: Metamorphic. A large amount of sediment is deposited on a plain in a short amount of geologic time. Which of the following correctly describes a possible result: The crust subsides due to the motion of the sediment as it is deposited. . How are rocks classified: Texture and Composition. All rocks are composed of : Minerals. Which is NOT a type of Sedimentary rock.: Inorganic. What are 2 types of Igneous Rocks: Intrusive and Extrusive