A total of ten heart stones equals 1 weight unit. In terms of weight, a total of ten stones are equivalent to 1 pound. Should you own ten affection pebbles, these would weigh about 1 pound. A total of ten charming love-shaped pebbles make up 1 pound in weight. When you have several ten rockets made in the shape of hearts, they will sum to about 1 lb. 10 love pebbles totals to around a pound.