DESCRIPTION: Black Tourmaline from Brazil – (12 to 19 per lb) tumbled stones are sold by the pound. Each bag of stones, being a product of nature, will have varying sizes and shapes. SYMBOL: Protects from all kinds of negativity ranging from electronic radiations from TV and computers, to negative thoughts or spells. Information cards, describing the attributes of each semi-precious stone, are available at a low cost and will complement your tumble stone display. (Card 10109)SKU:#62276