:: Mg < sub > 2 </ sub > SiO < sub > 4 </ sub > + 4H < sup >+</ sup > + 4OH < sup >-</ sup > ⇌ 2Mg < sup > 2 +</ sup > + 4OH < sup >-</ sup > + H < sub > 4 </ sub > SiO < sub > 4 </ sub >
:: Mg < sub > 2 </ sub > SiO < sub > 4 </ sub > + 4CO < sub > 2 </ sub > + 4H < sub > 2 </ sub > O ⇌ 2Mg < sup > 2 +</ sup > + 4HCO < sub > 3 </ sub >< sup >-</ sup > + H < sub > 4 </ sub > SiO < sub > 4 </ sub >
0.004 seconds.