A) Zeolites
B) Ultramarines
C) Feldspars
D) Beryls
Correct Answer: C
Solution :
The feldspars are most abundant aluminosilicate minerals in the Earth surface. The silicon atoms and aluminium atoms occupy the centres of interlinked tetrahedra of\[SiO_{4}^{4-}\]and\[AlO_{4}^{5-}.\] These tetrahedral connect at each corner to other tetrahedra forming an intricate, three dimesional, negatively charged framework. The sodium cations sit within the voids in this structure.
You need to login to perform this action.
You will be redirected in
3 sec
