Approximately 8x10mm skull gemstone beads with a hole oriented from top to bottom. The vibrant purple electroplated finish on these beads will delight! Each 3-D bead is made from manmade hematine with a very similar chemical make up to hematite. Both hematite and hematine are very popular for making jewelry. *Manmade. Questions? Call our friendly sales staff at 1-800-366-2156, or email us.