Tourmaline 7x10mm Irregular Nuggets Semiprecious Gemstone Beads are very high quality Gemstone Beads. These are Real, Genuine TourmalineSemiprecious Gemstone Beads. These are not synthetic or imitation. Tourmaline7x10mm Nugget Gemstone Beads are polished to a smooth finish. Sizes of these beads can range greatly but are generally between 7mm and 10mm. Each Tourmaline7x10mm Semiprecious Gemstone Nugget Bead has its own unique combination of pattern and color. A Full Strand Pack is available for this item but this is just the sample pack of 12 beads. This package contains 1 Dozen 7x10mm Irregular Nugget Semiprecious Gemstone Beads.