1. Feldspar: A group of minerals making up about 60% of the Earth's crust.
2. Quartz: A hard, durable mineral found in many forms.
3. Pyroxene: A group of minerals found in igneous and metamorphic rocks.
4. Amphibole: A group of minerals similar to pyroxene, often found in metamorphic rocks.
5. Mica: A group of minerals known for their perfect cleavage, often used in electronics.
6. Olivine: A greenish mineral found in igneous rocks, especially in the Earth's mantle.
7. Calcite: A common carbonate mineral, often found in limestone and marble.
These minerals make up the vast majority of Earth's rocks and are crucial for understanding the planet's geology.