Crossword Genius

White gypsum and basalt are mixed (9)

Ross

I believe the answer is:

alabaster

'white gypsum' is the definition.
(I've seen this before)

'basalt are mixed' is the wordplay.
'mixed' is an anagram indicator.
'basalt'+'are'='basaltare'
'basaltare' with letters rearranged gives 'ALABASTER'.

'and' is the link.

(Other definitions for alabaster that I've seen before include "Type of gypsum" , "Blast area for white mineral" , "Altar base (anag)" , "statue material" , "White substance" .)

I've seen this clue in The Telegraph.
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