Perfect place for turning one vessel covered in gold (6)
I believe the answer is:
utopia
'perfect place' is the definition.
(an imagined perfect place)
'turning one vessel covered in gold' is the wordplay.
'turning' is a reversal indicator.
'one' becomes 'I' (Roman numeral).
'vessel' becomes 'pot' (pot is a kind of vessel).
'covered in' means one lot of letters goes inside another.
'gold' becomes 'Au' (Au is the chemical symbol for gold).
'i'+'pot'='ipot'
'ipot' going into 'au' is 'aipotu'.
'aipotu' in reverse letter order is 'UTOPIA'.
'for' is the link.
(Other definitions for utopia that I've seen before include "Eden" , "More's ideal world" , "Perfect state of things" , "Ideal country" , "of limited interest to G&S" .)