Fundamental Rockhound Products: Serpentinite Natural Rough Bulk Rock for Tumbling Metaphysical Gemstones Healing Crystals Wholesale Lot from Brazil (1/2 lb) 1/2 pound of Rough Serpentinite - Sizes range from 1 to 1 1/2" Average. Untreated, unheated, 100% natural stone Perfect for Tumbling Rock, Gridwork, Meditation, Metaphysical and Healing Uses, Crafts, Indoor Fountains, Home or Office Decor Stones are shown wet in the photo so you know how they'll appear after polishing. They will not be this brightly colored when you receive them; 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.