Answer:
Explanation:
Silicate minerals are the base of Earth's rocks, like quartz, mica, pyroxene and olivine. These minerals are built by the silica tetrahedral, which consist combining 4 atoms of oxygen and 1 atom of silicon, that's why the name tetrahedral.
Specifically, olivine is composed by independent or isolated tetrahedra bonds with iron or magnesium, giving its structure.