Mineralogical phase

Stoichiometry reaction

Equilibrium Constant (log K)

CSH-gel-1.8

Ca_1.8SiO_3.8H₂O + 3.6H⁺ + 2H₂O = 1.8Ca²⁺ + 0.8H₂O + 2H₂O + H₄SiO₄

32.7

Albite

NaAlSi₃O₈ + 8H₂O = Na⁺ + + 3H₄SiO₄

−18.002

Anhydrite

CaSO₄ = Ca²⁺ +

−4.41

Calcite

CaCO₃ + H⁺ = Ca²⁺ +

1.849

Ettringite

Ca₆Al₂(SO₄)₃(OH)₁₂26H₂O + 12H⁺

= 2Al³⁺ + + 6Ca²⁺ +38H₂O

56.5

Microcline

KAlSi₃O₈ + 8H₂O = K⁺ + + 3H₄SiO₄

−20.573

Portlandite

Ca(OH)₂ = Ca²⁺ + 2OH⁻

−5.20

Quartz

SiO₂ + 2H₂O = H₄SiO₄

−3.98