the silicates are the largest mineral group because silicon and oxygen are
The silicate minerals are rock-forming minerals, constituting approximately 90 percent of the crust of the Earth.They are classified based on the structure of their silicate group which contain different ratios of silicon and oxygen. They make up the largest and most important class of rock-forming minerals.he silicate minerals are rock-forming minerals, constituting approximately 90 percent of the crust of the Earth.