Project X Silver Clay .999 is the purest fine silver clay in the Five Star Project X line by Clay Revolution, used and sold at Sherry Siewert Studio in Richmond, Virginia. With 99.9% pure silver content, this metal clay is ideal for crafting handmade fine jewelry, artisan pendants, and detailed metalsmithing projects. It fires to a beautiful solid fine silver piece with a smooth, workable texture. An essential metal clay supply for students and professional jewelry artists alike. Sherry Siewert is an authorized distributor for Clay Revolution.