Each bead varies in size, shape and color no two beads are exactly alike. Because these are natural stone beads, each one has its own character including crackling, inclusions, chips, etc... These beads are all center drilled, with the occasional bead having a slightly off center hole.All photos have been taken indoors with daylight, but as always, computer and mobile screens display colors differently.Diameter: 12mmHole size: .8mm to 1mm, varies per beadStrand length: about 7.5" inches longQuantity: Q16 beads per strandMaterial: JadeOrigin: East Asia