The reasons for the formation are different, and the uses are also different.

1, the formation reasons are different: quartzite is formed in the deep crust or volcanic magma, with naturally formed bands or lines. Seasonal rocks are formed by metamorphism at high temperature and high pressure, and are usually colorless.

2. Different uses: Quartz stone is usually bright in color and high in hardness, so it is often used for decoration and jewelry making. Usually grayish white or dark gray, it has high wear resistance and compressive strength, and its physical properties are very stable. It is widely used in architecture, interior decoration and other fields.