Rocks and Minerals – The Building Blocks of Our Planet

Rocks and minerals shape the Earth we walk on. Learn how they form, differ, and why they matter.

What's the Difference?

A rock is a combination of minerals. Minerals are the pure ingredients that form them.

Rocks

Composed of one or more minerals. Can be igneous, sedimentary, or metamorphic. Examples include granite, limestone, and marble.

Minerals

Naturally occurring, inorganic substances with a specific chemical composition. The building blocks that make up rocks.

Common Minerals

Quartz

The most abundant mineral on Earth, found in countless forms and colors.

Feldspar

The most common group of minerals, making up about 60% of the Earth's crust.

Mica

Known for its perfect cleavage, creating thin, flexible sheets.

Calcite

A carbonate mineral that reacts with acid, often found in limestone.

Olivine

A green silicate mineral commonly found in igneous rocks.

Understanding rocks and minerals connects you deeper with the world around you. Start exploring with Rock Identifier today.

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