Composition of Minerals a few minerals are composed of a single element(diamond, graphite, gold, copper, and sulfur a Most minerals are compounds, containing more than one element a Chemical elements are the most fundamental substances into which matter can be separated by chemical meansComposition of Minerals ◼ A few minerals are composed of a single element (diamond, graphite, gold, copper, and sulfur). ◼ Most minerals are compounds, containing more than one element. ◼ Chemical elements are the most fundamental substances into which matter can be separated by chemical means