Topsongs Explore on Instagram: "Rock is a naturally occurring solid composed of one or more minerals or mineraloids. It forms the Earth’s crust and comes in a vast variety of types, textures, and colors. Rocks are generally classified into three main categories: igneous, formed from cooled molten magma or lava; sedimentary, created from the accumulation and compaction of mineral and organic particles; and metamorphic, which arise when existing rocks undergo transformation due to heat, pressure,