She has the 'rare' [='uncommon'] ability to make people feel comfortable even in difficult situations.
It is still 'rare' [='unusual'] for a woman to hold an executive position in some industries.
The little diner is a 'rare bird' in a city full of expensive restaurants.
(..) What do you want? A little more caution from you. That is no trinket you carry. -I carry nothing. -Indeed. I can avoid being seen if I wish... ...but to disappear entirely,that is a rare gift. -Who are you? -Are you frightened? Yes. Not nearly frightened enough. I know what hunts you. (..)2001 The Lord of the Rings: The Fellowship of the Ring