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A group of minerals containing various amounts of the elements Silicon and Oxygen. The Silicates are the largest group of minerals. The construction component of all Silicates is the tetrahedron, which is one Silicon atom equidimensionally placed around four Oxygen atoms.
Answers. Best Answer: The most abundant element by weight is oxygen. The most common minerals that form the rocks in Earth's crust are quartz (silicon dioxide, 52Â½% oxygen) and the feldspar group, which are silicate minerals containing more oxygen by weight than any other elements. Hope this answers your question.. Source(s): college geology.