Magnetic metallic black faceted round beads, approximately 4.1mm x 3.8mm. Hematite is metallic black/grey and as such is very popular for mens jewellery. Hematite is thought to be beneficial for those with health problems, particularly circulation problems - these beads are man-made, created out of a product similar to hematite, marketed as "hematine" or "hemalike". Pack contains approximately 50 pieces.