Ten love stones amounts to 1 weight unit.
In terms of mass, 10 pebbles are equivalent to 1 pound.
In case you possess a total of ten heart stones, these would measure approximately 1 pound.
A total of ten beautiful love-shaped pebbles form 1 lb in weight.
When you have multiple ten rockets made in the shape of hearts, they will amount to about 1 lb.
Ten love pebbles can be summed up to around 1 lb.
10 Stones to Pounds CoolConversion