Which of the following minerals are common in Earth's crust?

A) quartz
B) feldspar
C) oxide minerals
D) calcite
E) all of these

Earth's Crust

The Earth's crust is the outermost solid shell of the planet, composed of rock, and is the surface upon which we live. It varies in thickness and is thinner under the oceans and thicker under continental land masses.

Quartz

A hard, crystalline mineral composed of silicon and oxygen atoms, widely used in jewelry and as an industrial abrasive.

Feldspar

A group of rock-forming minerals that are among the most abundant minerals in the Earth's crust, used in ceramics and glassmaking.