A total of ten affection stones amounts to a weight unit.
In terms of mass, 10 pebbles are equivalent to one lb.
If you have ten love stones, these would measure approximately one lb.
Ten beautiful heart-shaped pebbles compose a pound in weight.
When you have multiple ten rockets made in the shape of hearts, it will amount to approximately 1 lb.
10 heart pebbles can be summed up to around 1 lb.