Small and light dark gray Agate hand polished , wrapped with aluminum wire .95 mm thick. 6 gr weight. Unisex Agate is a variety of Quartz with a crypticrystalline form.Its difficult to describe the term "Agate" and thats why very often its called Agate e stone that is banded Chalcedony.Agate its not a mineral and does not hs an homogeneus structurelike crystal and its a compose of different minerals .and thats why the agate color can be differnt ,grey brown white red green etc depending of the color of the mineral that iis composed of.Has a waxy luster and concoidal fructure