New in Box. Touchstone Crystal By Swarovski Chanelle Necklace, Dark Purple. Tanzanite crystal; rhodium plating; 36" endless. Made in the USA. Retails: $89.00 Gift included - Necklace Converter allows you to vary the shape and size of necklaces, turn them into bracelets, and even convert them into an eyeglass lanyard!e Check out all of my listings for more beautiful pieces.