Hematine gemstone tube beads with a luscious bronze electroplated finish. Each cylindrical tube bead measures approximately 4mm long and 2mm wide. Current batch (Dec. 2017) has tiny approx. 0.4mm holes. *Manmade hematine has a similar chemical composition to real hematite, and is popular for use in jewelry and crafts. Questions? Call our friendly sales staff at 1-800-366-2156, or email us.