Preseli Bluestone Tumblestone Magickally:Magick & Mystery, grounding, confidence, courage, amplifies rituals. Every crystal purchased is cleansed before shipping and comes with information on the crystal free of charge  CRYSTAL SIZES:Small = 5mm - 10mmMedium = 10mm - 20mmLarge = 20mm - 30mmX-Large = 30mm - 40mm   Every crystal purchased is cleansed before shipping and co