Hematite,, is an arched mineral. The name hematite is of Greek origin, haĩma - αιματoεις (blood) over the Latin haema and describes the color of the mineral. Hematite is most often found in granular to solid, radially fibrous to earthy aggregates, composed of oval formations the size of peas to poppies. Less often in coarsely crystalline aggregates or scaly. Crystals are rare, they have the shape of scales, tablets, rhombos, often twins. More info