Potassium Feldspar is a common mineral found in many types of rocks, particularly granite and syenite. It is part of the feldspar group, which is the most abundant group of minerals in the Earth's crust. Potassium Feldspar is typically pink, white, or gray and is known for its glassy luster and hardness. This mineral plays a crucial role in the formation of soil and is used in various industries, including ceramics and glassmaking. Its chemical composition includes potassium, aluminum, and silicon, making it an important source of potassium for plants in agriculture.