Uncover the differences between rocks, minerals, and gemstones, discover how they are all formed, and explore examples from each category.

Magma is a super-hot viscous material that comprises molten and semi-molten rock that flows deep beneath the Earth’s surface.

The Devil’s Marbles (Karlu Karlu conservation reserve) is an area in Northern Territory, Australia, sprinkled with large reddish boulders.

The Richat Structure (The Eye of the Sahara) is an eroded geologic dome in Mauritania, Africa. Its birth started over 100 million years ago.