Agate is a variegated class of Chalcedony (microcrystalline quartz), usually displaying different color bands or other patterns. Agate was first discovered by Pliny in 77 A.D. and was named for the River Achates in Sicily.
Chemical composition: SiO₂ with other polymorphs of silica; Hardness: 7
Snakeskin Agate has the surface appearance of snakeskin. It is a stone that bolsters optimism and lessens worries. It can also assist in finding what is lost or hard to see.