rare minerals rare model rare moment rare moments rare mutation rare mutations rare name rare natural rare neurological rare objects rare occasion rare occasions rare occurrence rare occurrences rare old rare one rare ones rare opportunity rare or endangered rare orchid rare original rare pearl rare people rare person rare phenomenon rare photo rare photographs rare photos rare picture rare piece rare pieces rare plant rare plants rare pleasure rare pokémon rare privilege rare public rare quality rare red rare reports rare side rare side effect rare side effects rare sight rare sighting rare situation rare situations rare skill rare skin rare species rare specimen rare specimens rare steak rare stone rare strain rare syndrome rare talent rare these days rare thing rare things rare times rare to find rare to find one rare to find someone rare to get rare to have rare to meet rare to see rare tracks rare treasure rare treasures rare treat rare tree rare trees rare tumor rare tumors rare type rare types rare vagrant rare variant rare variety rare vintage rare visit rare white rare wine rare wines rare words rare you rare-earth rare-earth elements rare-earth metal rare-earth metals rarefaction rarefied rarefied air rarefied atmosphere rarely rarely able rarely achieved