A total of ten heart stones equals 1 lb. Regarding mass, 10 rockets equal one lb. Should you own 10 love stones, these would weigh around one lb. A total of ten charming love-shaped stones form 1 lb in weight. When you have multiple ten pebbles made in the shape of hearts, they will sum to about 1 lb. Ten affection pebbles can be summed up to about 1 lb.