The correct answer is: d) Silica Sand.
Silica sand is a type of sand that is composed primarily of silicon dioxide. It is a common mineral found in nature and is used in a variety of industries, including the ceramics and glass industry.
Feldspar is a group of minerals that are composed of aluminum silicates. It is a common mineral found in nature and is used in a variety of industries, including the ceramics and glass industry. However, feldspar is not found in Tamil Nadu.
Gypsum is a mineral that is composed of calcium sulfate dihydrate. It is a common mineral found in nature and is used in a variety of industries, including the ceramics and glass industry. However, gypsum is not found in Tamil Nadu.
Graphite is a mineral that is composed of carbon. It is a common mineral found in nature and is used in a variety of industries, including the ceramics and glass industry. However, graphite is not found in Tamil Nadu.
Silica sand is found in Tamil Nadu and is used in the ceramics and glass industry. It is a common mineral that is composed primarily of silicon dioxide. It is used in a variety of industries, including the ceramics and glass industry, because it is a good insulator and has a high melting point.