Honey vendors say that to identify pure honey drop a spoonful of honey. If the ants don't feed it is pure.
Leave a little of testing honey near some ants, if the ants hover around it then the honey is adulterated.Bees naturally build the combs between the stones and on the trees, and to protect the honey from insects, ants and others they add an additive to honey. This is the reason that ants will not hover around pure honey.
Does this test work?