Crossword Genius

Best to get into a SOS for a potentially dangerous mineral (8)

Ross

I believe the answer is:

asbestos

I'm a little stuck... Click here to teach me more about this clue!

'dangerous mineral' is the definition.
'asbestos' can be an answer for 'mineral' (asbestos is a kind of mineral). I am not sure about the 'dangerous' bit.

'best to get into a sos for a potentially' is the wordplay.
'to get into' indicates putting letters inside.
'for' is a charade indicator (letters next to each other).
'potentially' indicates an anagram (letters have the potential to spell a new word).
'sos'+'a'='sosa'
'sosa' is an anagram of 'asos'.
'best' going within 'asos' is 'ASBESTOS'.

Can you help me to learn more?

(Other definitions for asbestos that I've seen before include "insulating material" , "dangerous dust" , "Heat-resistant fibre" , "fire protection" , "Heat-resistant material" .)

I've seen this clue in the Sydney Morning Herald.
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