nostr:npub1hg5g87620a3vhpgmna2pzevhj88lkt3lezus76p7u5y37sfcszsszktya9 nostr:npub1xyrjtjx7cjsjey8xa8ufvzxyeqcs66zqxsqty7ffz5w54ttj8e2s36yavs yes it requires some kind of "seed" crystal in the case of water and in order for the crystal to grow the density of water vapor has to be fairly high but yeah I'm pretty sure I've read that comets for example have trails made up of water vapor as well as ice crystals