Quartzite is a hard metamorphic rock which was originally sandstone. Pure quartzite is usually white to grey, it often occur in various shades of pink, red, yellow and black. Quartzite is very resistant to chemical weathering and often forms ridges and resistant hilltops, so it is used as a popular public building and home apartment paving material. Such as Yellow Quartzite, Wooden Quartzite, Silver Quartzite, Pink Quartzite, Green Quartzite, Red Quartzite, Black Quartzite, White Quartzite