Minerals:
* Quartz: A very common mineral, found in many different colors.
* Feldspar: Another abundant mineral, often used in ceramics and glass.
* Calcite: Forms limestone and marble.
* Gypsum: Used in drywall and plaster of Paris.
* Diamond: The hardest known natural mineral.
* Gold: A precious metal, often found in nuggets.
* Iron Ore: The source of iron, a vital metal for construction.
* Salt (Halite): Found in salt deposits and used for seasoning.
Rocks:
* Granite: A hard, igneous rock often used in construction.
* Basalt: A dark, volcanic rock.
* Limestone: A sedimentary rock formed from the accumulation of marine organisms.
* Sandstone: A sedimentary rock formed from cemented sand grains.
* Slate: A metamorphic rock known for its ability to split into thin sheets.
Other:
* Clay: A fine-grained soil formed from the weathering of rocks.
* Sand: Small particles of rock and mineral fragments.
* Coal: A fossil fuel formed from decayed plant matter.
It's important to remember that the classification of a substance as inorganic means it's not derived from living organisms. So, while coal comes from plants, it's classified as inorganic because the process of forming coal is not a biological one.
