Random Rocks

Select how many rocks you want and hit the green button to generate random rocks.

Obsidian

Obsidian

Granulite

Granulite

Metapelite

Metapelite

What is this tool?

If you are looking to explore rocks at random you can use this generator. It contains all the main types of rock as recognised by geologists from the categories of Igneous, Sedimentary and metamorphic rocks.