Silica is placed into an electric furnace along with coal, wood, or charcoal. The reaction of the two creates silicon. The Silicon is then placed into a desired mold and cooled, creating the silicon bracelet.
There are many styles of silicon bracelets. They could be embossed or debossed, printed or unprinted, colored fill, segmented, swirled, glow in the dark, etc.
silics meaning what were more generally termed "the flints" or "Hard Rocks" during the Early Modern era where nowadays as we would say "silica" or "silicates"), and was later mistaken by Humphry Davy...