Crossword Genius

Stone that's great in construction? (7)

Ross

I believe the answer is:

granite

'stone' is the definition.
(granite is a kind of stone)

'great in construction?' is the wordplay.
'construction?' indicates an anagram (answer constructed from certain letters).
'great'+'in'='greatin'
'greatin' with letters rearranged gives 'GRANITE'.

'that's' acts as a link.

(Other definitions for granite that I've seen before include "Constituent in Dartmoor" , "A very hard rock from Tangier" , "Hard stone from Tangier" , "Very hard type of rock" , "Showing great resolution" .)

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