Agate is usually a method of chalcedony, a stone built predominantly of silica and formed below rigorous warmth, and comes in quite a few colours and designs. On the subject of this sort of gemstone, the names of the different types of agate beads are visually descriptive: tiger’s eye, fireplace https://www.gemsbiz.com/blog/explore/where-to-buy-faceted-gemstone-beads