What minerals make up half of Earth's crust? Feldspars. What is an accurate description of the silicon-oxygen tetrahedron? The silicon-oxygen tetrahedron is a four-sided figure with a silicon atom in the middle bonded to four neighboring oxygen atoms. The micas (biotite and muscovite) exhibit what type of silicate structure? read more
Start studying Minerals of the Earth's Crust. Learn vocabulary, terms, and more with flashcards, games, and other study tools. read more
Although minerals differ in shape, composition and distribution, four major classes of minerals make up the Earth’s crust. Silicates The silicate class of minerals makes up 90 percent of the Earth’s crust, and is compounds of silicon and other chemical elements. read more
Minerals refer to substances that are naturally formed in theEarth. Examples of minerals that make up the Earth's crust aregold, diamond and quartz. read more