Crossword Genius

Cache of raw mineral under street (5)

Ross

I believe the answer is:

store

'cache' is the definition.
(I've seen this in another clue)

'raw mineral under street' is the wordplay.
'raw mineral' becomes 'ore' (I've seen this in another clue).
'under' is a charade indicator (letters next to each other) (in a down clue, some letters go below others).
'street' becomes 'st' (abbreviation).
'ore' put after 'st' is 'STORE'.

'of' acts as a link.

(Other definitions for store that I've seen before include "Supermarket" , "Save" , "Reserve, shop" , "Shop; repository" , "Shop; hoard" .)

I've seen this clue in The Mirror.
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