Quartzite is a hard, metamorphic rock which was originally sandstone.[1] Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Pure quartzite is usually white to grey.
Quartzite is a hard, metamorphic rock which was originally sandstone.[1] Sandstone is converted into quartzite through heating and pressure usually related to tectonic compression within orogenic belts. Pure quartzite is usually white to grey.