An outstanding very clear square back quartz crystal cluster from Arkansas This cluster is called a square back because it formed on top of a calcite bed which later weathered out leaving three square cavities on the bottom. There are two points missing at the base level. Stands up on its own. Weighs 6 oz. Size: 3 5/8" long x 3 3/8" wide x 2" tall. You will receive this exact item in the picture shipped from our small American business.