silicates

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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Mica and quartz are silicates.

The three last-mentioned minerals—talc, serpentine, and chlorite—are all silicates of magnesia.

The other was a radical change in the formula of the silicates.

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.

April 20, 2024flabbergast

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