There are over 5,000 known types of minerals. Just a few minerals make up most of the rocks we see, though: feldspars, amphiboles, quartz, olivine, garnet, micas, calcite, and pyroxenes.

There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...

In November 2000 Charlie Woodburn made the first ascent of Harder, Faster at Black Rocks in England. Almost 20 years later, this remains one of the most dangerous and least repeated trad climbs in ...