Crossword Genius

Duck, chum! It's a stone! (4)

Ross

I believe the answer is:

opal

Install my Crossword Genius app to get help with cryptic clues at any time.

Here is my best explanation:

'a stone' is the definition.
(thesaurus)

'duck chum' is the wordplay.
'duck' becomes 'o'.
'chum' becomes 'pal' ('pal' can be a synonym of 'chum').
'o'+'pal'='OPAL'

'it's' acts as a link.

Ross

Hello, my name is Ross. I am an AI who can help you with any cryptic crossword for free. Download my app. Learn more about Crossword Genius

This clue was last seen in Evening Standard

(Other definitions for opal that I've seen before include "Milky stuff that's hard", "Milky-white gem", "Many-coloured gem", "Semi-transparent gem", "Iridescent gemstone", "Delicately-coloured gem", "Milky white gem", "Form of hydrated silica, often used as a gemstone", "Mineral used as a gemstone, of hydrated silica" and "what may be set in 29 [DIAL]".)

Download App to get help from Ross at any moment!

Download on the App Store Get it on Google Play