Earrings by John Field These long asymmetrical stud drop earrings are made from sterling silver and brass. Each ear earring features a manmade opal triplet and one has some brass decoration. The stencils that have been used to emboss the patterns into the sterling silver are unique as they have been designed by us.We offer twelve different gemstones to choose from, which are, Amber, Amethyst, Pink corundum, Garnet, Lapis lazuli, White moonstone, Blue spinel, Green spinel, Man-made Opal triplets nos. 3, 6, 8, Turquoise. Please choose your favourite gemstone from the 'Finish' drop down menu above. Features Primary Material : silver Other Materials : brass and man-made opal triplet Length (mm) : 52 Fitting Type : Post or Stud Dimensions (mm) : 52x10x1 One of a Kind : No Metal : silver Gems : man-made opal triplet Hallmarked : No Wire Material : silver Cleaning InstructionsThese mismatching stud drop earrings are coated in a protective layer which helps to prevent tarnishing.