Place an order for Asorted Symbol On Agate Slice today at Agate Export. Agate is a banded form of finely-grained, microcrystalline Quartz. The lovely color patterns and banding make this translucent gemstone very unique. Agates can have many distinctive styles and patterns, but each Agate is unique in its own habit, with no two Agates being the same. General agate mineral rock meaning includes composure and maturity. Many types of agate stones are protective, helping to protect against excessive negativity. Book your order now.