👉 Leadhillite is a type of mineral that appears in various forms, including crystals. It is often found in the rocks and minerals within the Earth's crust, especially in areas where there are high levels of iron oxide (lead) and calcium carbonate. Lead hillites are usually found in small grains or feldspar fragments, and they can have a distinctive black color due to their high content of lead oxide. Leadhillite is not as common as other types of minerals like quartz or hematite
