The eye stone inkstone The eye stone is kind of old sedimentary rock, origin in china only, composed of mica , dolomite and chlorite. With its peculiar quality of being hard, color dark, fine and smooth, the rare characteristic is having some volcanic ball unevenly distributive in stone that just like eye and eyeball. So, named eye stone. The eye stones had been Carved into inkstone , seal stone and paperweight and artwork. They are very elegant and rare handicraft . Please email to .cn for more information.