Tourmaline Necklace The black tourmaline gemstone necklace is gold-plated or silver-plated and comes on a 45 cm long gold-plated or silver-plated curb chain. The necklace is produced in Germany, and our gemstones come from South America. Dimensions of the Tourmaline Necklace * Pendant dimensions: approximately 2 cm (pendants vary slightly in size and shape, image is an example) * Chain length 45 cm gold-plated or silver-plated curb chain * The gemstone is sourced from fair trade and production Effect of the Tourmaline Necklace A black tourmaline necklace protects and frees from negative influences. Black tourmalines are considered powerful protective stones. A tourmaline necklace looks elegant and stylish.