Junipurr - Andreia - Mystic Topaz - Threaded End A client favourite with a colourful iridescent edge. A trail of marquise and round CZs in a blend of sparkling mystic topaz purples and greens on our classic Andreia setting. Available in 1.2mm threaded for (14gauge posts)14k Yellow, White and Rose gold. Mystic topaz is a genuine natural stone enhanced by a coating. It can be used in any piercing that is fit with a threaded post from all major Canadian or European jewelry vendors. A threaded stem or post is also needed in order to use these. (sold separately) Please note these will screw into our brand posts as well as junipurr’ s and any other European manufacturer. How to care for Mercury Mist Topaz: Please do not use any jewelry cleaners as they contain chemicals and acids that can be too harsh for Mystic Topaz.