Rocks are made up of many different minerals. Some rocks, like sandstone or limestone might only contain one type of mineral. Some rocks, like granite, contain many minerals.
Minerals are natural chemicals that are made through processes in the Earth’s crust. Some minerals can form as large crystals, but often they are found as smaller grains, like sand.
There are three different types of rock: sedimentary, metamorphic and igneous. To learn more about these types of rock, follow the pdf. below, provided by the National Coal Mining Museum for England:
To learn how to examine the properties of rocks, follow the pdf. below, which was also provided by the National Coal Mining Museum for England:
For more information on our wonderful heritage partner, the National Coal Mining Museum for England, follow the link below: