Funneling my Energy Necklace

Materials: polymer clay, silver, smooth and matte black glass beads (the pictures show lava beads which are no longer available), hematite, and stainless steel cable coated with nylon; Length: ~18" long; Height: 0.4" max; Dimension of the largest piece: 2" x 1.25" x 0.4”; Please feel free to let me know if there is a need for any adjustment on the size or if you prefer other color combination or have any question