One of the most common rock is granite. A mineral is a solid material, made of one substance, that occurs naturally on Earth. Most of the common minerals are made of crystals. A Crystal is a solid formed by a repeating, three-dimensional pattern of atoms, ions, or molecules and having fixed distances between the different parts. The break down of rock by wind, water, or ice into smaller pieces.
Igneous rocks start as magma.
Metamorphic rocks- 7. Name the most common rock found on the surface of the Earth. Name the four minerals that make up granite. Describe what a property of a mineral is. Match the following igneous terms with its corresponding definition.