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Quartzite Used In Plants

Ochre, a natural pigment which comes in shades of yellow, red, orange and brown, is the first pigment used by humans, in the middle stone age of africa, at least 70,000 years ago.Ochre, also called hematite, is found all over the world and has been used by nearly every prehistoric culture, whether as paint on cave and building walls, staining of pottery or other types of artifacts or part of a.