ROCKS AND MINERALS 1. Differentiate between the terms “rock” and “mineral” 2. Briefly summarise the following characteristics as they apply to mineral identification: Hardness: Streak: Lustre: Specific Gravity: Cleavage: Texture: 3. Describe generally how igneous rocks are formed. Include the names of 3 minerals commonly found in igneous rocks. 4. The physical texture of a rock can be dependent on crystal size. Identify and briefly explain the factor that determines crystal size. 5. Briefly describe Sedimentary rock composition: 6. Sedimentary rocks are often formed in layers. How are age and rock layer related? 7. Complete the table below as it applies to Clastic and Chemical Sedimentary rocks: Clastic Sedimentary Rock Chemical Sedimentary Rock Formation Mechanism: Example 1 and brief description: Example 2 and brief description: Example 3 and brief description 8. Describe how Metamorphic rocks are formed. Include in your description 2 factors which may be involved in the process: 9. Distinguish between Foliated and Non-foliated metamorphic rocks. Identify 3 examples of each.