Why can two rocks look different but even though they are made of the same minerals?

Two rocks can look different despite being made of the same minerals due to variations in their texture, grain size, and the way the minerals are arranged. Factors like the cooling rate of magma or lava, pressure conditions during formation, and the presence of other materials or impurities can influence their appearance. Additionally, weathering and erosion can alter the surface of the rocks, leading to different colors and textures. These processes contribute to the diversity in the visual characteristics of rocks even when their mineral composition is identical.