Stone: Dyed Ruby Frame Material: 18K Gold Plated Over Solid Genuine .925 Sterling Silver. Shape: Faceted coin on both sides Measurement: 20mm with both rings, stone is 12mm Weight: 1.6 grams per piece. These stones are made from a natural ropada stone, a stone in the quartz family. For further information and details regarding this process, see the Beadunion Blog: http://www.beadunion.com/bezel-gemstone-information |