Natural Gemstone coaster with electroplated trim in gold coloured copper. (not real gold :) but definitely pure copper Our gemstones all have natural colors and are not treated nor colored. Amethyst gemstone. Embellish your interior with this very stylish coaster. Natural gemstones bring us closer to nature, bring balance, serenity and positive vibes Can be used as coaster for your drink or bottle of wine, but also as mini platter / tray / plant dish, or any decorative use. Natural cut shape. Approximate sizes: 8 - 12 cm diameter 7 mm thick 140 - 170 gr All pieces are unique and may vary in shape, size and weight.