Arranged tune; Vice-Regal in Gold (6)

I believe the answer is:

nugget

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'gold' is the definition.
(thesaurus)

'arranged tune vice-regal in' is the wordplay.
'arranged' indicates anagramming the letters.
'vice-regal' becomes 'gg' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'in' is an insertion indicator.
'tune' anagrammed gives 'nuet'.
'nuet' placed around 'gg' is 'NUGGET'.

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(Other definitions for nugget that I've seen before include "Followed on" , "Lump (of gold, etc)" , "quantity of gold?" , "bit of gold" , "Lump of, eg, gold" .)

I've seen this clue in the Sydney Morning Herald.

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