These are stunning. Natural Ametrine faceted cushion beads in a nice large size. Ametrine is a lovely combination of Amethyst and Citrine. The average measurement of these Ametrine beads is 18 x 24mm with an average thickness of 8mm. No two beads are alike in coloring, nor are they all perfect in shape. These beauties were cut following the natural contours of the stone and some are a bit imperfect. These Ametrine beads have been strung with a bicone bead in between to prevent chipping. Ametrine is known as a calming stone, very useful in meditation. Ametrine is also known for it's powerful cleansing powers.