Kidney Ore (Hematite) For Sale
KIDNEY ORE (HEMATITE) FOR SALE. Hematite is a mineral form of iron oxides and major iron ore. It is harder, but more brittle than pure iron and colors can range from black, to steal gray, to brown to red. There are many different forms of it and the botryoidal variety is commonly referred to as Kidney Ore. The globular, bubbly shape of Kidney Ore is a result of layered growth around a nuclei