Grape agate, also known as botryoidal purple chalcedony, is not actually an agate. It is a quartz that forms in spherical patterns. This mineral tends to form in Indonesia and has also been found west of the Green river in Utah. Grape agate is said to provide clarity and vividness.
This beautiful grape agate comes half polished and half raw. It has a unique purple and grey coloring to it. You will receive the specimen pictured. It measures appropriately 3"-2"-2.5".