Salt Crystals Public Group active 2 years, 7 months ago Not all crystals are diamonds. There’s such a thing as salt crystals too. Salt crystals are harvested from salt evaporation ponds. You can make them yourself at home, though. Watch the activity video to find out how. Group Admins HomeMembers 1 RSS Show: — Everything — Updates Group Memberships Group Updates Sorry, there was no activity found. Please try a different filter.