Agate is really a form of chalcedony, a stone made predominantly of silica and formed below powerful heat, and comes in many hues and styles. In terms of such a gemstone, the names of the differing types of agate beads are visually descriptive: tiger’s eye, fireplace agate beads, moss agate https://www.gemsbiz.com/blog/explore/where-to-buy-faceted-gemstone-beads