O 1. Which properties of a mineral describe the way it breaks apart?
O 2. A mineral looks dry and chalky. Why sort of luster does it have?
O 3. What causes a mineral to have the properties that is has?
O 4. You are trying to identify a mineral sample. Apatite scratches the surface of the mineral. Which mineral would you use next to text the mineral’s hardness—fluorite or feldspar? Explain your reasoning.
O 5. Why is streak more reliable than color when identifying a mineral?
O 6. You have two mineral samples that are about the size of a golf ball. Mineral A has a density of 5 g/cm3. Mineral B is twice as dense as Mineral A. What is the density of Mineral B?
O 7. Why do some minerals cleave along certain planes?