only used a small amount and yes it does float on top, but I think part of it dissolved because there are not that much.
smell : slightly smell of coconut.
Taste : actually it tastes quite good, rich and round, not that much of coconut.
Andy your description : unctuous and rich are spot on, how ever taste, it's up to whoever drinks it.
If you want it as a paleo caffe laté it will work.