"natural facility" is a correct and usable phrase in written English.
The phrase typically refers to a natural talent or ability, or something innate. You can use it to refer to someone who is naturally skilled at something, or when referring to the natural resources available to people or the environment. For example, "He has a natural facility for mathematics which makes him an excellent math tutor."
Already favored with a "natural facility," she said, she set out to learn her instrument herself.
What's more, they both have a natural facility for diverting money from the rich to the poor.
Katherine Stankard Campbell was taught flameworking by her father, and she has a natural facility for using the torch to create detailed work.
By any standards, "The Thousand Autumns of Jacob de Zoet" is a formidable marvel, and it would be perverse to hold Mitchell's natural facility against him.
"Gradually," says Beth Porter, "his natural facility to see the absurd and funny things in life became enriched by his understanding of pain.
And some people, it soon transpired, had a natural facility for Morse code.As electric telegraphy took off in the early 1850s, the Morse telegraph quickly became dominant.
It takes people who have certain natural facilities for pomposity and it turns them, by putting them through years of pointless droning, into weapons of mass narcolepsy.
And use our natural facilities, too – how crazy is it to locate the mountain biking in Essex, a county with hardly a decent-sized hill let alone a mountain, rather than the Lake District, North Wales or the Highlands?
In 1942 Los Alamos was chosen by the U.S. government (because of its comparative isolation and natural facilities) as the location for the Atomic Research Laboratory, then known as the Manhattan Project, which developed the first nuclear-fission, or atomic, bomb.
Not blessed with natural facilities, any Winter Olympics medal is hard to come by and Britain typically returns home with one or two.
In the U.S., the federal government earlier this year announced its intention to house chimpanzees in more "natural" facilities, as well as to reduce the use of these primates in medical research, citing both technological improvements and ethical considerations.
