Agate is really a method of chalcedony, a stone manufactured predominantly of silica and formed below intense heat, and comes in quite a few shades and patterns. When it comes to such a gemstone, the names of the different types of agate beads are visually descriptive: tiger’s eye, hearth agate https://www.gemsbiz.com/blog/explore/where-to-buy-faceted-gemstone-beads