Which of the following minerals does not contain aluminium?
Answer & explanation
Correct answer: option 4
Cryolite → Na3AlF6
Mica → 
Feldpar → KAlSi3O8
Fluorspar → CaF2
Which of the following minerals does not contain aluminium?
Correct answer: option 4
Cryolite → Na3AlF6
Mica → 
Feldpar → KAlSi3O8
Fluorspar → CaF2