Quartzite is a metamorphic rock that is formed when sandstone is subjected to high temperatures and pressures. This process causes the sandstone to recrystallize, creating a hard and durable rock that is made up of interlocking quartz crystals.

It is known for its distinctive appearance, which can range from white and grey to shades of pink, red, and yellow. It is often used in applications where a bold, striking look is desired.

In terms of demand, quartzite is a popular choice for a variety of applications, including construction, landscaping, and interior design. It is especially prized for its durability and resistance to staining, making it a popular choice for countertops and other high-traffic surfaces.

In terms of supply, quartzite is found in many parts of the world, including Brazil, India, and the United States. India is a major producer of quartzite, with reserves totaling over 2.5 billion metric tons.