How Do We Get It? – Fluorine.The Origin of Fluorine: Unearthing Nature’s Elusive Element. Fluorine, known as the lightest halogen in the periodic table, has its own unique story of origin that spans millions of years. Unlike some other elements that occur abundantly in nature, fluorine is not found naturally as a pure element. Instead, it occurs predominantly as compounds and minerals. In this article, we will explore the origins of fluorine, its extraction process, commercial processing, major mining countries, and their environmental impact.