Story about gold - strangely dim yet forbidding (10)

I believe the answer is:

formidable

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'story about gold strangely dim yet forbidding' is the definition.
I can't judge whether this definition defines the answer.

'story about gold strangely dim' is the wordplay.
'story' becomes 'fable' (fable is a kind of story).
'about' indicates putting letters inside.
'gold' becomes 'or' ('or' is the heraldic name for gold).
'strangely' indicates an anagram.
'dim' with letters rearranged gives 'mid'.
'or'+'mid'='ormid'
'fable' going around 'ormid' is 'FORMIDABLE'.

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(Other definitions for formidable that I've seen before include "Awesome" , "Threatening, challenging" , "Intimidatory" , "Intimidating" .)

I've seen this clue in The Daily Express.

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