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magnesium iron silicate with the formula (Mg+2, Fe+2)2SiO4. Thus it is a type of nesosilicate or orthosilicate. It is a common mineral in the Earth's subsurface but weathers quickly on the surface.

Answer:

D. independent tetrahedral.

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.

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