Glauconite has prolonged been Utilized in Europe as being a green pigment for inventive oil paint beneath the name inexperienced earth.[9][10] A single instance is its use in Russian "icon paintings", An additional common use was for underpainting of human flesh in medieval portray. You may target the root explanation https://gluconitofficial70987.actoblog.com/22409084/little-known-facts-about-gluconit-official