Fundamental Rockhound Products: AFRICA MIX Mixed Bulk Rough Rock for Tumbling Metaphysical Gemstones Healing Crystals wonderful assortment (1/2 lb) 1/2 pound (minimum 9 stones) Mixed African rough tumbling rock (from South Africa and Madagascar). Sizes range from 1/2 to 1 1/4" Average (weight 15 to 30 grams per stone) PLEASE see description below for list of possible stones. Perfect for Tumbling Rock, Rock Collecting, Gridwork, Meditation, Metaphysical Use, Crafts, Indoor Fountains, Home or Office Decor, Wire Wrapping for Pendants Stones are shown wet in the photos so you know how they'll appear after polishing. The colors are not as bright when they are dry as they are rough, unpolished rock. Your stones will not be the exact stones in the photo but will be very similar in size and shape. WARNING: Not for Children under 6 years of age, as smaller pieces could become a choking hazard. Seller is not responsible for misuse of this product.