In what form do many minerals occur naturally on the earths surface?

Many minerals occur naturally on the Earth's surface in the form of crystalline solids. They can be found as individual crystals, aggregates, or in various rock types, often forming distinct patterns and colors. Additionally, minerals may exist in sedimentary deposits, where they are concentrated through processes like weathering and erosion. Common examples include quartz, feldspar, and calcite, which are prevalent in various geological environments.