The Rolling Minerals

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Across
  1. 3. Rocks that have changed due to extreme pressure or heat
  2. 5. stone which is mostly made up of sand
  3. 6. a mineral which has a rich red colour
  4. 7. a black igneous rock which is common in video games such as Minecraft
  5. 8. melted rock that is located beneath the crust
Down
  1. 1. a mineral which is very common in both the crust and mantle
  2. 2. the mineral with the highest level of hardness
  3. 4. Rocks formed when molten rock solidifies
  4. 5. Rocks that are formed when lots of sediments are pushed together under extreme pressure