Crossword Genius

It’s an alternative material (5)

Ross

I believe the answer is:

satin

'material' is the definition.
(I know that satin is a type of material)

'it's an alternative' is the wordplay.
'alternative' indicates anagramming the letters (an alternative ordering of the letters).
'its'+'an'='itsan'
'itsan' with letters rearranged gives 'SATIN'.

(Other definitions for satin that I've seen before include "Silky material" , "covered with?" , "Shiny solk" , "Stain on silky cloth" , "Stain found in cloth" .)

I've seen this clue in The Mirror.
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