Question

The chemical composition of cryolite mineral is

• A. $\ce{Al_2O_3}$
• B. $\ce{Al_2O_3 . 12 \, H_2 O}$
• C. $\ce{KAlSi_3O_8}$
• D. $\ce{Na_3AlF_6}$

Answer 1

Answer: (D)

$\ce{Na_3AlF_6}$

Answer 2

Cryolite mineral is ${Na_3AlF_6}$