Prehnite Smooth Round Balls or Loose Gemstone Beads with full drill and half drill are available in all sizes from 4mm to 12mm. Other sizes are also available on demand. All the stones are cut & polished in Jaipur (India). Actual color of the stone may vary from the picture shown. All the stones are with strict calibration and will come approx (+-0.10mm). For any other query or details, please write us at firstname.lastname@example.org.