Maurice's heart of gold (5)

I believe the answer is:

auric

'of gold' is the definition.
(I've seen this before)

'maurice's heart' is the wordplay.
'heart' indicates the central letters.
The middle of 'maurice' is 'AURIC'.

(Other definitions for auric that I've seen before include "made of gold" , "Of or containing gold" , "Pertaining to gold" , "French composer" , "- Goldfinger (Bond)" .)

I've seen this clue in The Telegraph.

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