This is a 17" strand of gorgeous natural prehnite large faceted nugget beads. These approximate size of these beads is 10x11mm-16x22mm with 29 beads on the strand. These are absolutely stunning natural prehnite beads to use in your jewelry creations. These are lovely natural prehnite with beautiful color & wonderful sparkle!! The pictures do not do these beads justice!! Please Note: Due to the nature of this stone, these beads do have some naturally occurring internal & external inclusions & crackling. The strand pictured is the exact strand you will receive & normally retails for $180. BE SURE & CHECK OUT ALL OF MY GEMSTONE BEADS AS I HAVE A LOT OF GORGEOUS NEW DESIGNER STRANDS LISTED AT A FRACTION OF THE RETAIL PRICE!! Thanks for looking!!