The correct answer is: d) All of the above.
Andhra Pradesh is a state in India that is rich in mineral resources. Some of the most important minerals found in Andhra Pradesh include quartz, feldspar, and graphite.
Quartz is a hard, brittle mineral that is found in many different colors, including white, gray, pink, and brown. It is used in a variety of products, including glass, ceramics, and electronics.
Feldspar is a group of minerals that are found in igneous and metamorphic rocks. It is used in a variety of products, including ceramics, glass, and fertilizer.
Graphite is a soft, black mineral that is used in a variety of products, including pencils, lubricants, and batteries.
In addition to quartz, feldspar, and graphite, Andhra Pradesh also has deposits of other minerals, such as iron ore, limestone, and bauxite. These minerals are important for the state’s economy and are used in a variety of industries.