10 heart stones is equivalent to a weight unit.
Regarding weight, ten rockets equal 1 lb.
In case you possess 10 love rockets, these would measure approximately 1 lb.
10 charming love-shaped pebbles compose a lb in weight.
When you have multiple 10 rockets made in the shape of hearts, it will amount to approximately 1 lb.
Ten love stones is equal to to approximately 1 pound.