Quartz Cluster Mineral Rock Small quartz cluster Great gift for the geology enthusiast Good for science projects on rocks, as a unique party favor, and more Note: Please be aware that this is a natural mineral and as such each piece is one of a kind! The one you receive may not be exactly the same as the one pictured but it will be similar. They come in irregular shapes, sizes and weights. Price is per each piece--picture shows a variety of pieces for demonstration purposes only.