The main minerals found in many rocks. Silicates are composed of atoms of silicon, oxygen, and elements such as potassium, sodium, or calcium, under great heat and pressure. Silicates make up about one-quarter of the crust of the Earth.
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How to use silicates in a sentence
The three last-mentioned minerals—talc, serpentine, and chlorite—are all silicates of magnesia.Geology|James Geikie
The other was a radical change in the formula of the silicates.Scientific Culture, and Other Essays|Josiah Parsons Cooke
It helps to flux phosphate of lime, &c., and infusible silicates.
Noumeite and garnierite are hydrated silicates of nickel and magnesia.
It is a constituent of some silicates, and is frequently met with in very small quantities in iron ores.