A total of ten heart stones is equivalent to a pound.
Regarding weight, 10 rockets are equivalent to 1 lb.
If you have 10 heart pebbles, they'd measure around one lb.
Ten charming heart-shaped rockets make up 1 lb in weight.
If you have multiple 10 stones made in the shape of hearts, they will amount to about one lb.
10 heart stones totals to around a lb.
