Brooches by John & Dawn Field This brooch is made from sterling silver and it features an 8mm light green chalcedony stone. The inspiration for this brooch comes from nature, we designed the leaf and berry pattern, which has been embossed into the silver by hand to create a beautiful surface pattern. It is slightly domed and it measures 45mm in diameter and our makers mark 'J D F' and a '925' sterling silver mark are stamped into the back.This brooch is available with a choice of gemstones, which are, Light Green Chalcedony, White moonstone, Aqua Chalcedony, Garnet, Amber, Turquoise, Amethyst, Blue Chalcedony, Rainbow moonstone, Lapis Lazuli, Peridot Quatz lab. grown and Blue opal triplet, lab. grown. You can see a Leaf pattern brooch featuring a Blue Chalcedony stone in one of the images. Please choose from the 'Finish' drop-down menu. Features Primary Material : Sterling silver Other Materials : Green chalcedony Pin Type : pin Dimensions (mm) : 45 One of a Kind : No Metal : Sterling silver Hallmarked : No Cleaning InstructionsThis brooch has been finished with a clear, protective, anti-tarnish coating.