Real crystal quartz, the purple colour is dyed. Solid sterling silver. Hoop size: approx 3cm or 1.25” inch diameter. Crystal size: range from approx 1.5cm - 3cm length and 0.5-1cm width. The two crystals will not be identical, each one is slightly different but will be approximately the same size. You will receive crystals similar to those pictured but not the exact ones. They will be chosen at random from the ones I have in stock. Please note that the crystals may be irregular, not have perfect points, will have imperfections and not be identical. See photos for a representative sample.