These Oxidized Hematite in Quartz stones have an approximate base diameter of 2.5" in length, approximately 1.5" in width, with an approximate weight of 3.2 oz. The middle one is 2.25" in length, approximately 1.5" in width, with an approximate weight of 2.4 oz. The last one is 2" in length, approximately 1.25" in width, with an approximate weight of .9 oz.