Explanation:
A silicate group is composed of one silicon atom bonded to four oxygen atoms. The formula of silicate group is -SiO4-. ... The main difference between silicate minerals and nonsilicate minerals is that silicate minerals are composed of silicate groups whereas Nonsilicate minerals have no silicate groups.
Reference Link:
https://pediaa.com/difference-between-silicate-and-nonsilicate-minerals/