Ten heart pebbles equals 1 lb. In terms of weight, a total of ten pebbles are equivalent to one lb. If you have a total of ten affection stones, these would weigh approximately one pound. A total of ten lovely heart-shaped pebbles form a pound in weight. When you have multiple ten pebbles made in the shape of hearts, it will amount to around 1 pound. 10 love rockets totals to about a pound.