I use many techniques. In casting I do the tufa stone casting, cuttle fish casting, and sand casting to the more modern types of casting such as the vacuum cast, centrifugal cast, and the induction cast. With the materials I use anything between turquoise to diamonds and everywhere in between. With metals I use sterling silver, silver, all varieties of gold (14k,18k,24k,yellow gold,rose gold,white gold, platinum, etc.). When and how I use these techniques depends on the piece.i don't make the decision the piece does and I follow it through.