This listing is for a set of 2 Aquatine Blue Calcite Tumbled Stones, this set includes one large and one small Aquatine Blue Calcite tumbled stone. The large is about 1 inch in size and the small is about a half an inch. A Set Of Aquatine Blue Calcite Tumbled Stones will be intuitively chosen for you, each crystal will very slightly in colour and size.