This product is a beautiful unique piece of natural crystal that contains fire opal, carnelian agate, and calcite. The multi-color formation and natural shape make it a stunning collectible item. With a weight of 6.9oz and a size of 2 inches uncut, this piece is sure to be a standout in any crystal or mineral collection. this beautiful one of a kind mixed mineral specimen was collected from southern Oregon, and remains uncut and unpolished 100 percent natural form.