À rock sample has been analyzed using X-ray diffraction (XRD) equipment and it was found that it contained feldspar with 35% albite, 35% microcline (K-feldspar) and 30% anorthite. The chemical formula of those minerals in the mix will be: O Cao.35Nao.35 Ko.35Al1.3Si2.708 O Cao.3Nao.35 Ko.5AI1.3S12.708 O Cao.3Nao.35 Ko.35A12.7SI1.308 O Cao.35Nao.30Ko.35Al1.3S12.708 O Cao.35Nao.35 Ko.30Al1.3S12.708 O Cao.3Nao.35 Ko.35Al1.3S12.708

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