Silicate minerals are very abundant because silica and oxygen are the two most plentiful elements in the crust and these two minerals readily combine together.

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Silica (SiO2) and oxygen (O2) are the most abundant elements in the Earth's crust, comprising over 50% of its mineral composition. Silicate minerals are formed from the combination of silica and oxygen, making them one of the most abundant groups of minerals in the Earth's crust.

Silicate Minerals Are Very Abundant Because Silica and Oxygen Are