Hello, natural colors have only one color group,
สีธรรมชาติ if it's another group of colors Whether claiming to come from
แร่ธาตุ , however, are not entirely natural. For example, group colors
Iron Oxides is often claimed to come from
แร่ธาตุ but in fact it is caused by
แร่ธาตุ (Iron) came through a chemical process. So the color is formed